12976380 has 36 divisors (see below), whose sum is σ = 39362232. Its totient is φ = 3460320.

The previous prime is 12976367. The next prime is 12976387. The reversal of 12976380 is 8367921.

12976380 is a `hidden beast` number, since 12 + 9 + 7 + 638 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12976387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35866 + ... + 36225.

Almost surely, 2^12976380 is an apocalyptic number.

12976380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12976380 is an abundant number, since it is smaller than the sum of its proper divisors (26385852).

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

12976380 is a wasteful number, since it uses less digits than its factorization.

12976380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72106 (or 72101 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 12976380 is about 3602.2742816171. The cubic root of 12976380 is about 234.9909759625.

The spelling of 12976380 in words is "twelve million, nine hundred seventy-six thousand, three hundred eighty".