12611925 has 18 divisors (see below), whose sum is σ = 22589762. Its totient is φ = 6726240.

The previous prime is 12611917. The next prime is 12611927. The reversal of 12611925 is 52911621.

It can be written as a sum of positive squares in 3 ways, for example, as 2537649 + 10074276 = 1593^2 + 3174^2 .

It is not a de Polignac number, because 12611925 - 2³ = 12611917 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12611927) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27802 + ... + 28251.

Almost surely, 2^12611925 is an apocalyptic number.

12611925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12611925 is a deficient number, since it is larger than the sum of its proper divisors (9977837).

12611925 is a wasteful number, since it uses less digits than its factorization.

12611925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56069 (or 56061 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 12611925 is about 3551.3272166896. The cubic root of 12611925 is about 232.7700642593.

The spelling of 12611925 in words is "twelve million, six hundred eleven thousand, nine hundred twenty-five".