13897952 has 12 divisors (see below), whose sum is σ = 27361656. Its totient is φ = 6948960.

The previous prime is 13897943. The next prime is 13897997. The reversal of 13897952 is 25979831.

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, 217124 + ... + 217187.

It is an arithmetic number, because the mean of its divisors is an integer number (2280138).

Almost surely, 2^13897952 is an apocalyptic number.

It is an amenable number.

13897952 is a deficient number, since it is larger than the sum of its proper divisors (13463704).

13897952 is an equidigital number, since it uses as much as digits as its factorization.

13897952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434321 (or 434313 counting only the distinct ones).

The product of its digits is 136080, while the sum is 44.

The square root of 13897952 is about 3727.9957081520. The cubic root of 13897952 is about 240.4272020883.

The spelling of 13897952 in words is "thirteen million, eight hundred ninety-seven thousand, nine hundred fifty-two".