13845715 has 16 divisors (see below), whose sum is σ = 17978688. Its totient is φ = 10175616.

The previous prime is 13845703. The next prime is 13845721. The reversal of 13845715 is 51754831.

It is a happy number.

13845715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13845715 - 2¹¹ = 13843667 is a prime.

It is a super-2 number, since 2×13845715² = 383407647722450, which contains 22 as substring.

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, 18682 + ... + 19408.

It is an arithmetic number, because the mean of its divisors is an integer number (1123668).

Almost surely, 2^13845715 is an apocalyptic number.

13845715 is a deficient number, since it is larger than the sum of its proper divisors (4132973).

13845715 is a wasteful number, since it uses less digits than its factorization.

13845715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038.

The product of its digits is 16800, while the sum is 34.

The square root of 13845715 is about 3720.9830690289. The cubic root of 13845715 is about 240.1255997674.

The spelling of 13845715 in words is "thirteen million, eight hundred forty-five thousand, seven hundred fifteen".