12641925 has 12 divisors (see below), whose sum is σ = 20901440. Its totient is φ = 6742320.

The previous prime is 12641917. The next prime is 12641963. The reversal of 12641925 is 52914621.

It is not a de Polignac number, because 12641925 - 2³ = 12641917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12641892 and 12641901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84205 + ... + 84354.

Almost surely, 2^12641925 is an apocalyptic number.

12641925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12641925 is a deficient number, since it is larger than the sum of its proper divisors (8259515).

12641925 is a wasteful number, since it uses less digits than its factorization.

12641925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168572 (or 168567 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 12641925 is about 3555.5484808957. The cubic root of 12641925 is about 232.9544815820.

The spelling of 12641925 in words is "twelve million, six hundred forty-one thousand, nine hundred twenty-five".