12737825 has 6 divisors (see below), whose sum is σ = 15794934. Its totient is φ = 10190240.

The previous prime is 12737797. The next prime is 12737827. The reversal of 12737825 is 52873721.

It can be written as a sum of positive squares in 3 ways, for example, as 64 + 12737761 = 8^2 + 3569^2 .

It is not a de Polignac number, because 12737825 - 2¹² = 12733729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12737827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 254732 + ... + 254781.

It is an arithmetic number, because the mean of its divisors is an integer number (2632489).

Almost surely, 2^12737825 is an apocalyptic number.

It is an amenable number.

12737825 is a deficient number, since it is larger than the sum of its proper divisors (3057109).

12737825 is an equidigital number, since it uses as much as digits as its factorization.

12737825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509523 (or 509518 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 12737825 is about 3569.0089660857. The cubic root of 12737825 is about 233.5420524719.

The spelling of 12737825 in words is "twelve million, seven hundred thirty-seven thousand, eight hundred twenty-five".