13897252 has 6 divisors (see below), whose sum is σ = 24320198. Its totient is φ = 6948624.

The previous prime is 13897243. The next prime is 13897253. The reversal of 13897252 is 25279831.

It can be written as a sum of positive squares in only one way, i.e., 13133376 + 763876 = 3624^2 + 874^2 .

It is a super-2 number, since 2×13897252² = 386267226303008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13897253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1737153 + ... + 1737160.

Almost surely, 2^13897252 is an apocalyptic number.

It is an amenable number.

13897252 is a deficient number, since it is larger than the sum of its proper divisors (10422946).

13897252 is a wasteful number, since it uses less digits than its factorization.

13897252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474317 (or 3474315 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 13897252 is about 3727.9018227416. The cubic root of 13897252 is about 240.4231654776.

The spelling of 13897252 in words is "thirteen million, eight hundred ninety-seven thousand, two hundred fifty-two".