12607644 has 24 divisors (see below), whose sum is σ = 33620608. Its totient is φ = 3602160.

The previous prime is 12607631. The next prime is 12607667. The reversal of 12607644 is 44670621.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74962 + ... + 75129.

Almost surely, 2^12607644 is an apocalyptic number.

12607644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12607644 is an abundant number, since it is smaller than the sum of its proper divisors (21012964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12607644 is a wasteful number, since it uses less digits than its factorization.

12607644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150105 (or 150103 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 12607644 is about 3550.7244331263. The cubic root of 12607644 is about 232.7437240716.

The spelling of 12607644 in words is "twelve million, six hundred seven thousand, six hundred forty-four".