13380279 has 16 divisors (see below), whose sum is σ = 19608960. Its totient is φ = 8048160.

The previous prime is 13380239. The next prime is 13380299. The reversal of 13380279 is 97208331.

It is not a de Polignac number, because 13380279 - 2⁸ = 13380023 is a prime.

It is a super-2 number, since 2×13380279² = 358063732235682, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13380229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3129 + ... + 6045.

It is an arithmetic number, because the mean of its divisors is an integer number (1225560).

Almost surely, 2^13380279 is an apocalyptic number.

13380279 is a deficient number, since it is larger than the sum of its proper divisors (6228681).

13380279 is a wasteful number, since it uses less digits than its factorization.

13380279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 13380279 is about 3657.9063684026. The cubic root of 13380279 is about 237.4041955232.

The spelling of 13380279 in words is "thirteen million, three hundred eighty thousand, two hundred seventy-nine".