13343979 has 16 divisors (see below), whose sum is σ = 20254464. Its totient is φ = 7735200.

The previous prime is 13343977. The next prime is 13343987. The reversal of 13343979 is 97934331.

It is not a de Polignac number, because 13343979 - 2¹ = 13343977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13343977) 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, 8032 + ... + 9549.

It is an arithmetic number, because the mean of its divisors is an integer number (1265904).

Almost surely, 2^13343979 is an apocalyptic number.

13343979 is a deficient number, since it is larger than the sum of its proper divisors (6910485).

13343979 is a wasteful number, since it uses less digits than its factorization.

13343979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17618.

The product of its digits is 61236, while the sum is 39.

The square root of 13343979 is about 3652.9411437908. The cubic root of 13343979 is about 237.1893126783.

The spelling of 13343979 in words is "thirteen million, three hundred forty-three thousand, nine hundred seventy-nine".