13864574 has 4 divisors (see below), whose sum is σ = 20796864. Its totient is φ = 6932286.

The previous prime is 13864559. The next prime is 13864583. The reversal of 13864574 is 47546831.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3466142 + ... + 3466145.

It is an arithmetic number, because the mean of its divisors is an integer number (5199216).

Almost surely, 2^13864574 is an apocalyptic number.

13864574 is a deficient number, since it is larger than the sum of its proper divisors (6932290).

13864574 is an equidigital number, since it uses as much as digits as its factorization.

13864574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6932289.

The product of its digits is 80640, while the sum is 38.

The square root of 13864574 is about 3723.5163488294. The cubic root of 13864574 is about 240.2345738956.

The spelling of 13864574 in words is "thirteen million, eight hundred sixty-four thousand, five hundred seventy-four".