12979320 has 32 divisors (see below), whose sum is σ = 38938320. Its totient is φ = 3461120.

The previous prime is 12979303. The next prime is 12979333. The reversal of 12979320 is 2397921.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53961 + ... + 54200.

Almost surely, 2^12979320 is an apocalyptic number.

12979320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12979320 is an abundant number, since it is smaller than the sum of its proper divisors (25959000).

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

12979320 is a wasteful number, since it uses less digits than its factorization.

12979320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108175 (or 108171 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 12979320 is about 3602.6823340395. The cubic root of 12979320 is about 235.0087215716.

The spelling of 12979320 in words is "twelve million, nine hundred seventy-nine thousand, three hundred twenty".