13068979 has 16 divisors (see below), whose sum is σ = 17153280. Its totient is φ = 9646560.

The previous prime is 13068977. The next prime is 13068983. The reversal of 13068979 is 97986031.

It is not a de Polignac number, because 13068979 - 2¹ = 13068977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13068973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3004 + ... + 5929.

It is an arithmetic number, because the mean of its divisors is an integer number (1072080).

Almost surely, 2^13068979 is an apocalyptic number.

13068979 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13068979 is a deficient number, since it is larger than the sum of its proper divisors (4084301).

13068979 is a wasteful number, since it uses less digits than its factorization.

13068979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8970.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 13068979 is about 3615.1042861859. The cubic root of 13068979 is about 235.5486141287.

The spelling of 13068979 in words is "thirteen million, sixty-eight thousand, nine hundred seventy-nine".