12609652 has 18 divisors (see below), whose sum is σ = 24256274. Its totient is φ = 5731440.

The previous prime is 12609647. The next prime is 12609659. The reversal of 12609652 is 25690621.

It can be written as a sum of positive squares in only one way, i.e., 12082576 + 527076 = 3476^2 + 726^2 .

It is a super-2 number, since 2×12609652² = 318006647122208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12609659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12543 + ... + 13510.

Almost surely, 2^12609652 is an apocalyptic number.

It is an amenable number.

12609652 is a deficient number, since it is larger than the sum of its proper divisors (11646622).

12609652 is a wasteful number, since it uses less digits than its factorization.

12609652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26079 (or 26066 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 12609652 is about 3551.0071810685. The cubic root of 12609652 is about 232.7560796602.

The spelling of 12609652 in words is "twelve million, six hundred nine thousand, six hundred fifty-two".