13896992 has 18 divisors (see below), whose sum is σ = 27401283. Its totient is φ = 6937952.

The previous prime is 13896989. The next prime is 13896997. The reversal of 13896992 is 29969831.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 6948496 + 6948496 = 2636^2 + 2636^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2636.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13896997) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 20759 + ... + 21417.

Almost surely, 2^13896992 is an apocalyptic number.

It is an amenable number.

13896992 is a deficient number, since it is larger than the sum of its proper divisors (13504291).

13896992 is an frugal number, since it uses more digits than its factorization.

13896992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328 (or 661 counting only the distinct ones).

The product of its digits is 209952, while the sum is 47.

The square root of 13896992 is about 3727.8669504155. The cubic root of 13896992 is about 240.4216661305.

Multiplying 13896992 by its product of digits (209952), we get a square (2917701264384 = 1708128²).

The spelling of 13896992 in words is "thirteen million, eight hundred ninety-six thousand, nine hundred ninety-two".