13628265 has 16 divisors (see below), whose sum is σ = 24920448. Its totient is φ = 6230016.

The previous prime is 13628257. The next prime is 13628273. The reversal of 13628265 is 56282631.

It is an interprime number because it is at equal distance from previous prime (13628257) and next prime (13628273).

It is not a de Polignac number, because 13628265 - 2³ = 13628257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64792 + ... + 65001.

It is an arithmetic number, because the mean of its divisors is an integer number (1557528).

Almost surely, 2^13628265 is an apocalyptic number.

13628265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13628265 is a deficient number, since it is larger than the sum of its proper divisors (11292183).

13628265 is a wasteful number, since it uses less digits than its factorization.

13628265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129808.

The product of its digits is 17280, while the sum is 33.

The square root of 13628265 is about 3691.6480059724. The cubic root of 13628265 is about 238.8618857365.

The spelling of 13628265 in words is "thirteen million, six hundred twenty-eight thousand, two hundred sixty-five".