13888707 has 24 divisors (see below), whose sum is σ = 21767616. Its totient is φ = 7853328.

The previous prime is 13888669. The next prime is 13888723. The reversal of 13888707 is 70788831.

It is not a de Polignac number, because 13888707 - 2¹⁰ = 13887683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13888607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15288 + ... + 16170.

It is an arithmetic number, because the mean of its divisors is an integer number (906984).

Almost surely, 2^13888707 is an apocalyptic number.

13888707 is a deficient number, since it is larger than the sum of its proper divisors (7878909).

13888707 is a wasteful number, since it uses less digits than its factorization.

13888707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 42.

The square root of 13888707 is about 3726.7555594646. The cubic root of 13888707 is about 240.3738790633.

The spelling of 13888707 in words is "thirteen million, eight hundred eighty-eight thousand, seven hundred seven".