12551925 has 36 divisors (see below), whose sum is σ = 21600800. Its totient is φ = 6431040.

The previous prime is 12551923. The next prime is 12551939. The reversal of 12551925 is 52915521.

12551925 = T₂₅₁ + T₂₅₂ + ... + T₄₄₉.

It is not a de Polignac number, because 12551925 - 2¹ = 12551923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12551892 and 12551901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12551923) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 62976 + ... + 63174.

Almost surely, 2^12551925 is an apocalyptic number.

12551925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12551925 is a deficient number, since it is larger than the sum of its proper divisors (9048875).

12551925 is a wasteful number, since it uses less digits than its factorization.

12551925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 236 counting only the distinct ones).

The product of its digits is 4500, while the sum is 30.

The square root of 12551925 is about 3542.8695996325. The cubic root of 12551925 is about 232.4003504053.

The spelling of 12551925 in words is "twelve million, five hundred fifty-one thousand, nine hundred twenty-five".