12916380 has 24 divisors (see below), whose sum is σ = 36166032. Its totient is φ = 3444352.

The previous prime is 12916373. The next prime is 12916417. The reversal of 12916380 is 8361921.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107577 + ... + 107696.

It is an arithmetic number, because the mean of its divisors is an integer number (1506918).

Almost surely, 2^12916380 is an apocalyptic number.

12916380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12916380 is an abundant number, since it is smaller than the sum of its proper divisors (23249652).

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

12916380 is a wasteful number, since it uses less digits than its factorization.

12916380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215285 (or 215283 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 12916380 is about 3593.9365603750. The cubic root of 12916380 is about 234.6282336695.

The spelling of 12916380 in words is "twelve million, nine hundred sixteen thousand, three hundred eighty".