13869956 has 12 divisors (see below), whose sum is σ = 24684240. Its totient is φ = 6817320.

The previous prime is 13869949. The next prime is 13869967. The reversal of 13869956 is 65996831.

It is a self number, because there is not a number n which added to its sum of digits gives 13869956.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29150 + ... + 29621.

It is an arithmetic number, because the mean of its divisors is an integer number (2057020).

Almost surely, 2^13869956 is an apocalyptic number.

It is an amenable number.

13869956 is a deficient number, since it is larger than the sum of its proper divisors (10814284).

13869956 is a wasteful number, since it uses less digits than its factorization.

13869956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58834 (or 58832 counting only the distinct ones).

The product of its digits is 349920, while the sum is 47.

The square root of 13869956 is about 3724.2389826648. The cubic root of 13869956 is about 240.2656549134.

The spelling of 13869956 in words is "thirteen million, eight hundred sixty-nine thousand, nine hundred fifty-six".