13279660 has 12 divisors (see below), whose sum is σ = 27887328. Its totient is φ = 5311856.

The previous prime is 13279631. The next prime is 13279667. The reversal of 13279660 is 6697231.

It is not an unprimeable number, because it can be changed into a prime (13279667) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 331972 + ... + 332011.

It is an arithmetic number, because the mean of its divisors is an integer number (2323944).

Almost surely, 2^13279660 is an apocalyptic number.

13279660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13279660 is an abundant number, since it is smaller than the sum of its proper divisors (14607668).

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

13279660 is a wasteful number, since it uses less digits than its factorization.

13279660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663992 (or 663990 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 13279660 is about 3644.1267815486. The cubic root of 13279660 is about 236.8076085256.

The spelling of 13279660 in words is "thirteen million, two hundred seventy-nine thousand, six hundred sixty".