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12670633 = 34073719
BaseRepresentation
bin110000010101…
…011010101001
3212211201211201
4300111122221
511220430013
61131324201
7212461423
oct60253251
925751751
1012670633
1171746a8
1242b0661
132818321
14197b813
1511a43dd
hexc156a9

12670633 has 4 divisors (see below), whose sum is σ = 12677760. Its totient is φ = 12663508.

The previous prime is 12670621. The next prime is 12670639. The reversal of 12670633 is 33607621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 33607621 = 46497229.

It is a cyclic number.

It is not a de Polignac number, because 12670633 - 217 = 12539561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12670639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1548 + ... + 5266.

It is an arithmetic number, because the mean of its divisors is an integer number (3169440).

Almost surely, 212670633 is an apocalyptic number.

It is an amenable number.

12670633 is a deficient number, since it is larger than the sum of its proper divisors (7127).

12670633 is an equidigital number, since it uses as much as digits as its factorization.

12670633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7126.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 12670633 is about 3559.5832621249. The cubic root of 12670633 is about 233.1306836872.

The spelling of 12670633 in words is "twelve million, six hundred seventy thousand, six hundred thirty-three".

Divisors: 1 3407 3719 12670633