13279880 has 16 divisors (see below), whose sum is σ = 29879820. Its totient is φ = 5311936.

The previous prime is 13279853. The next prime is 13279909. The reversal of 13279880 is 8897231.

It can be written as a sum of positive squares in 2 ways, for example, as 11303044 + 1976836 = 3362^2 + 1406^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165959 + ... + 166038.

Almost surely, 2^13279880 is an apocalyptic number.

13279880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13279880 is an abundant number, since it is smaller than the sum of its proper divisors (16599940).

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

13279880 is a wasteful number, since it uses less digits than its factorization.

13279880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332008 (or 332004 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 13279880 is about 3644.1569669815. The cubic root of 13279880 is about 236.8089162244.

The spelling of 13279880 in words is "thirteen million, two hundred seventy-nine thousand, eight hundred eighty".