13869507 has 16 divisors (see below), whose sum is σ = 18845568. Its totient is φ = 9072000.

The previous prime is 13869503. The next prime is 13869523. The reversal of 13869507 is 70596831.

13869507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13869507 - 2² = 13869503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13869503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55132 + ... + 55382.

It is an arithmetic number, because the mean of its divisors is an integer number (1177848).

Almost surely, 2^13869507 is an apocalyptic number.

13869507 is a deficient number, since it is larger than the sum of its proper divisors (4976061).

13869507 is a wasteful number, since it uses less digits than its factorization.

13869507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 13869507 is about 3724.1787014052. The cubic root of 13869507 is about 240.2630622485.

The spelling of 13869507 in words is "thirteen million, eight hundred sixty-nine thousand, five hundred seven".