13992265 has 32 divisors (see below), whose sum is σ = 20632320. Its totient is φ = 8895744.

The previous prime is 13992259. The next prime is 13992271. The reversal of 13992265 is 56229931.

It is an interprime number because it is at equal distance from previous prime (13992259) and next prime (13992271).

It is a 3-Lehmer number, since φ(13992265) divides (13992265-1)³.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 13992265 - 2⁵ = 13992233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35047 + ... + 35443.

It is an arithmetic number, because the mean of its divisors is an integer number (644760).

It is a Poulet number, since it divides 2^13992264-1.

Almost surely, 2^13992265 is an apocalyptic number.

It is an amenable number.

13992265 is a deficient number, since it is larger than the sum of its proper divisors (6640055).

13992265 is a wasteful number, since it uses less digits than its factorization.

13992265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481.

The product of its digits is 29160, while the sum is 37.

The square root of 13992265 is about 3740.6236111109. The cubic root of 13992265 is about 240.9698314537.

The spelling of 13992265 in words is "thirteen million, nine hundred ninety-two thousand, two hundred sixty-five".