13864575 has 24 divisors (see below), whose sum is σ = 23029776. Its totient is φ = 7360000.

The previous prime is 13864559. The next prime is 13864583. The reversal of 13864575 is 57546831.

It is not a de Polignac number, because 13864575 - 2⁴ = 13864559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29845 + ... + 30305.

It is an arithmetic number, because the mean of its divisors is an integer number (959574).

Almost surely, 2^13864575 is an apocalyptic number.

13864575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13864575 is a deficient number, since it is larger than the sum of its proper divisors (9165201).

13864575 is a wasteful number, since it uses less digits than its factorization.

13864575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875 (or 870 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 13864575 is about 3723.5164831111. The cubic root of 13864575 is about 240.2345796713.

The spelling of 13864575 in words is "thirteen million, eight hundred sixty-four thousand, five hundred seventy-five".