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12433669 = 17776997
BaseRepresentation
bin101111011011…
…100100000101
3212101200210021
4233123210011
511140334134
61122255141
7210453523
oct57334405
925350707
1012433669
117022666
1241b74b1
132764501
141919313
1511590b4
hexbdb905

12433669 has 4 divisors (see below), whose sum is σ = 12442444. Its totient is φ = 12424896.

The previous prime is 12433627. The next prime is 12433693. The reversal of 12433669 is 96633421.

It is a happy number.

12433669 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5116644 + 7317025 = 2262^2 + 2705^2 .

It is a cyclic number.

It is not a de Polignac number, because 12433669 - 27 = 12433541 is a prime.

It is a super-3 number, since 3×124336693 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12433609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1722 + ... + 5275.

It is an arithmetic number, because the mean of its divisors is an integer number (3110611).

Almost surely, 212433669 is an apocalyptic number.

It is an amenable number.

12433669 is a deficient number, since it is larger than the sum of its proper divisors (8775).

12433669 is an equidigital number, since it uses as much as digits as its factorization.

12433669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8774.

The product of its digits is 23328, while the sum is 34.

The square root of 12433669 is about 3526.1408083059. The cubic root of 12433669 is about 231.6682051091.

The spelling of 12433669 in words is "twelve million, four hundred thirty-three thousand, six hundred sixty-nine".

Divisors: 1 1777 6997 12433669