12645629 has 4 divisors (see below), whose sum is σ = 12657600. Its totient is φ = 12633660.

The previous prime is 12645623. The next prime is 12645643. The reversal of 12645629 is 92654621.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 12645629 - 2¹² = 12641533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12645623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4229 + ... + 6570.

It is an arithmetic number, because the mean of its divisors is an integer number (3164400).

Almost surely, 2^12645629 is an apocalyptic number.

It is an amenable number.

12645629 is a deficient number, since it is larger than the sum of its proper divisors (11971).

12645629 is a wasteful number, since it uses less digits than its factorization.

12645629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11970.

The product of its digits is 25920, while the sum is 35.

The square root of 12645629 is about 3556.0693187844. The cubic root of 12645629 is about 232.9772307320.

The spelling of 12645629 in words is "twelve million, six hundred forty-five thousand, six hundred twenty-nine".