13872812 has 12 divisors (see below), whose sum is σ = 25555320. Its totient is φ = 6571296.

The previous prime is 13872809. The next prime is 13872829. The reversal of 13872812 is 21827831.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91193 + ... + 91344.

It is an arithmetic number, because the mean of its divisors is an integer number (2129610).

Almost surely, 2^13872812 is an apocalyptic number.

It is an amenable number.

13872812 is a deficient number, since it is larger than the sum of its proper divisors (11682508).

13872812 is a wasteful number, since it uses less digits than its factorization.

13872812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182560 (or 182558 counting only the distinct ones).

The product of its digits is 5376, while the sum is 32.

The square root of 13872812 is about 3724.6223969686. The cubic root of 13872812 is about 240.2821450310.

The spelling of 13872812 in words is "thirteen million, eight hundred seventy-two thousand, eight hundred twelve".