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12235973 = 29341761
BaseRepresentation
bin101110101011…
…010011000101
3212000122121012
4232223103011
511113022343
61114132005
7206001251
oct56532305
925018535
1012235973
1169a8082
124121005
1326c5529
1418a7261
15111a718
hexbab4c5

12235973 has 4 divisors (see below), whose sum is σ = 12278028. Its totient is φ = 12193920.

The previous prime is 12235967. The next prime is 12235997. The reversal of 12235973 is 37953221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37953221 = 107354703.

It can be written as a sum of positive squares in 2 ways, for example, as 4739329 + 7496644 = 2177^2 + 2738^2 .

It is a cyclic number.

It is not a de Polignac number, because 12235973 - 24 = 12235957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12235963) 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, 20588 + ... + 21173.

It is an arithmetic number, because the mean of its divisors is an integer number (3069507).

Almost surely, 212235973 is an apocalyptic number.

It is an amenable number.

12235973 is a deficient number, since it is larger than the sum of its proper divisors (42055).

12235973 is an equidigital number, since it uses as much as digits as its factorization.

12235973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42054.

The product of its digits is 11340, while the sum is 32.

The square root of 12235973 is about 3497.9955688937. The cubic root of 12235973 is about 230.4337938009.

The spelling of 12235973 in words is "twelve million, two hundred thirty-five thousand, nine hundred seventy-three".

Divisors: 1 293 41761 12235973