13880265 has 32 divisors (see below), whose sum is σ = 25568256. Its totient is φ = 6298560.

The previous prime is 13880261. The next prime is 13880327. The reversal of 13880265 is 56208831.

It is a happy number.

It is not a de Polignac number, because 13880265 - 2² = 13880261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13880261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16710 + ... + 17520.

It is an arithmetic number, because the mean of its divisors is an integer number (799008).

Almost surely, 2^13880265 is an apocalyptic number.

13880265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13880265 is a deficient number, since it is larger than the sum of its proper divisors (11687991).

13880265 is a wasteful number, since it uses less digits than its factorization.

13880265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 13880265 is about 3725.6227667331. The cubic root of 13880265 is about 240.3251668837.

The spelling of 13880265 in words is "thirteen million, eight hundred eighty thousand, two hundred sixty-five".