13863172 has 6 divisors (see below), whose sum is σ = 24260558. Its totient is φ = 6931584.

The previous prime is 13863149. The next prime is 13863191. The reversal of 13863172 is 27136831.

It can be written as a sum of positive squares in only one way, i.e., 10601536 + 3261636 = 3256^2 + 1806^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1732893 + ... + 1732900.

Almost surely, 2^13863172 is an apocalyptic number.

It is an amenable number.

13863172 is a deficient number, since it is larger than the sum of its proper divisors (10397386).

13863172 is a wasteful number, since it uses less digits than its factorization.

13863172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465797 (or 3465795 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 13863172 is about 3723.3280811661. The cubic root of 13863172 is about 240.2264760335.

The spelling of 13863172 in words is "thirteen million, eight hundred sixty-three thousand, one hundred seventy-two".