13279775 has 12 divisors (see below), whose sum is σ = 16533912. Its totient is φ = 10580640.

The previous prime is 13279757. The next prime is 13279793. The reversal of 13279775 is 57797231.

13279775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13279757) and next prime (13279793).

It is not a de Polignac number, because 13279775 - 2⁶ = 13279711 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6137 + ... + 8013.

It is an arithmetic number, because the mean of its divisors is an integer number (1377826).

Almost surely, 2^13279775 is an apocalyptic number.

13279775 is a deficient number, since it is larger than the sum of its proper divisors (3254137).

13279775 is a wasteful number, since it uses less digits than its factorization.

13279775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170 (or 2165 counting only the distinct ones).

The product of its digits is 92610, while the sum is 41.

The square root of 13279775 is about 3644.1425603288. The cubic root of 13279775 is about 236.8082920972.

The spelling of 13279775 in words is "thirteen million, two hundred seventy-nine thousand, seven hundred seventy-five".