12530997 has 16 divisors (see below), whose sum is σ = 18622080. Its totient is φ = 8328096.

The previous prime is 12530993. The next prime is 12531007. The reversal of 12530997 is 79903521.

It is not a de Polignac number, because 12530997 - 2² = 12530993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12530993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12673 + ... + 13625.

It is an arithmetic number, because the mean of its divisors is an integer number (1163880).

Almost surely, 2^12530997 is an apocalyptic number.

It is an amenable number.

12530997 is a deficient number, since it is larger than the sum of its proper divisors (6091083).

12530997 is an equidigital number, since it uses as much as digits as its factorization.

12530997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449 (or 1443 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 12530997 is about 3539.9148294839. The cubic root of 12530997 is about 232.2711171036.

The spelling of 12530997 in words is "twelve million, five hundred thirty thousand, nine hundred ninety-seven".