12523725 has 18 divisors (see below), whose sum is σ = 22431786. Its totient is φ = 6679200.

The previous prime is 12523691. The next prime is 12523729. The reversal of 12523725 is 52732521.

It can be written as a sum of positive squares in 3 ways, for example, as 224676 + 12299049 = 474^2 + 3507^2 .

It is not a de Polignac number, because 12523725 - 2¹⁰ = 12522701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12523729) 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, 27606 + ... + 28055.

Almost surely, 2^12523725 is an apocalyptic number.

12523725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12523725 is a deficient number, since it is larger than the sum of its proper divisors (9908061).

12523725 is a wasteful number, since it uses less digits than its factorization.

12523725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55677 (or 55669 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 12523725 is about 3538.8875370659. The cubic root of 12523725 is about 232.2261778115.

The spelling of 12523725 in words is "twelve million, five hundred twenty-three thousand, seven hundred twenty-five".