13860472 has 16 divisors (see below), whose sum is σ = 26827200. Its totient is φ = 6706560.

The previous prime is 13860449. The next prime is 13860493. The reversal of 13860472 is 27406831.

It is a super-2 number, since 2×13860472² = 384225368125568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27697 + ... + 28192.

It is an arithmetic number, because the mean of its divisors is an integer number (1676700).

Almost surely, 2^13860472 is an apocalyptic number.

It is an amenable number.

13860472 is a deficient number, since it is larger than the sum of its proper divisors (12966728).

13860472 is a wasteful number, since it uses less digits than its factorization.

13860472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55926 (or 55922 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 13860472 is about 3722.9654846641. The cubic root of 13860472 is about 240.2108794683.

The spelling of 13860472 in words is "thirteen million, eight hundred sixty thousand, four hundred seventy-two".