13866672 has 40 divisors (see below), whose sum is σ = 36981760. Its totient is φ = 4472640.

The previous prime is 13866667. The next prime is 13866689. The reversal of 13866672 is 27666831.

13866672 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13866672.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3172 + ... + 6147.

It is an arithmetic number, because the mean of its divisors is an integer number (924544).

Almost surely, 2^13866672 is an apocalyptic number.

13866672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13866672 is an abundant number, since it is smaller than the sum of its proper divisors (23115088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13866672 is a wasteful number, since it uses less digits than its factorization.

13866672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9361 (or 9355 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 13866672 is about 3723.7980611199. The cubic root of 13866672 is about 240.2466907895.

The spelling of 13866672 in words is "thirteen million, eight hundred sixty-six thousand, six hundred seventy-two".