12976280 has 32 divisors (see below), whose sum is σ = 29311200. Its totient is φ = 5170176.

The previous prime is 12976273. The next prime is 12976309. The reversal of 12976280 is 8267921.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12976280.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13661 + ... + 14579.

It is an arithmetic number, because the mean of its divisors is an integer number (915975).

Almost surely, 2^12976280 is an apocalyptic number.

12976280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12976280 is an abundant number, since it is smaller than the sum of its proper divisors (16334920).

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

12976280 is a wasteful number, since it uses less digits than its factorization.

12976280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283 (or 1279 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 12976280 is about 3602.2604014702. The cubic root of 12976280 is about 234.9903723232.

The spelling of 12976280 in words is "twelve million, nine hundred seventy-six thousand, two hundred eighty".