12625641 has 12 divisors (see below), whose sum is σ = 20842432. Its totient is φ = 7214616.

The previous prime is 12625631. The next prime is 12625651. The reversal of 12625641 is 14652621.

12625641 is a `hidden beast` number, since 12 + 6 + 2 + 5 + 641 = 666.

It is an interprime number because it is at equal distance from previous prime (12625631) and next prime (12625651).

It is not a de Polignac number, because 12625641 - 2⁵ = 12625609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12625601) 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 11 ways as a sum of consecutive naturals, for example, 100141 + ... + 100266.

Almost surely, 2^12625641 is an apocalyptic number.

It is an amenable number.

12625641 is a deficient number, since it is larger than the sum of its proper divisors (8216791).

12625641 is a wasteful number, since it uses less digits than its factorization.

12625641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200420 (or 200417 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 12625641 is about 3553.2578009483. The cubic root of 12625641 is about 232.8544161065.

It can be divided in two parts, 1262 and 5641, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 12625641 in words is "twelve million, six hundred twenty-five thousand, six hundred forty-one".