12537725 has 24 divisors (see below), whose sum is σ = 16204320. Its totient is φ = 9616320.

The previous prime is 12537719. The next prime is 12537727. The reversal of 12537725 is 52773521.

It is not a de Polignac number, because 12537725 - 2¹² = 12533629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12537691 and 12537700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12537727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114971 + ... + 115079.

It is an arithmetic number, because the mean of its divisors is an integer number (675180).

Almost surely, 2^12537725 is an apocalyptic number.

It is an amenable number.

12537725 is a deficient number, since it is larger than the sum of its proper divisors (3666595).

12537725 is a wasteful number, since it uses less digits than its factorization.

12537725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 264 counting only the distinct ones).

The product of its digits is 14700, while the sum is 32.

The square root of 12537725 is about 3540.8650073111. The cubic root of 12537725 is about 232.3126791192.

The spelling of 12537725 in words is "twelve million, five hundred thirty-seven thousand, seven hundred twenty-five".