12939480 has 64 divisors (see below), whose sum is σ = 43135200. Its totient is φ = 3450240.

The previous prime is 12939463. The next prime is 12939491. The reversal of 12939480 is 8493921.

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

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 15 ways as a sum of consecutive naturals, for example, 4911 + ... + 7070.

Almost surely, 2^12939480 is an apocalyptic number.

12939480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12939480 is an abundant number, since it is smaller than the sum of its proper divisors (30195720).

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

12939480 is a wasteful number, since it uses less digits than its factorization.

12939480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12001 (or 11991 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 12939480 is about 3597.1488709810. The cubic root of 12939480 is about 234.7680221748.

The spelling of 12939480 in words is "twelve million, nine hundred thirty-nine thousand, four hundred eighty".