13182979 has 16 divisors (see below), whose sum is σ = 14676480. Its totient is φ = 11784960.

The previous prime is 13182977. The next prime is 13183003. The reversal of 13182979 is 97928131.

It is a cyclic number.

It is not a de Polignac number, because 13182979 - 2¹ = 13182977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13182971) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42234 + ... + 42544.

It is an arithmetic number, because the mean of its divisors is an integer number (917280).

Almost surely, 2^13182979 is an apocalyptic number.

13182979 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13182979 is a deficient number, since it is larger than the sum of its proper divisors (1493501).

13182979 is a wasteful number, since it uses less digits than its factorization.

13182979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450.

The product of its digits is 27216, while the sum is 40.

The square root of 13182979 is about 3630.8372312733. The cubic root of 13182979 is about 236.2315249216.

It can be divided in two parts, 13182 and 979, that added together give a square (14161 = 119²).

The spelling of 13182979 in words is "thirteen million, one hundred eighty-two thousand, nine hundred seventy-nine".