12497976 has 56 divisors (see below), whose sum is σ = 35150880. Its totient is φ = 4164048.

The previous prime is 12497951. The next prime is 12497987. The reversal of 12497976 is 67979421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 4761 + ... + 6903.

Almost surely, 2^12497976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12497976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17575440).

12497976 is an abundant number, since it is smaller than the sum of its proper divisors (22652904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12497976 is an equidigital number, since it uses as much as digits as its factorization.

12497976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167 (or 2148 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 12497976 is about 3535.2476575199. The cubic root of 12497976 is about 232.0669149034.

The spelling of 12497976 in words is "twelve million, four hundred ninety-seven thousand, nine hundred seventy-six".