13849972 has 12 divisors (see below), whose sum is σ = 24599680. Its totient is φ = 6821496.

The previous prime is 13849943. The next prime is 13849991. The reversal of 13849972 is 27994831.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25572 + ... + 26107.

Almost surely, 2^13849972 is an apocalyptic number.

It is an amenable number.

13849972 is a deficient number, since it is larger than the sum of its proper divisors (10749708).

13849972 is a wasteful number, since it uses less digits than its factorization.

13849972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51750 (or 51748 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 13849972 is about 3721.5550513193. Note that the first 3 decimals coincide. The cubic root of 13849972 is about 240.1502068975.

The spelling of 13849972 in words is "thirteen million, eight hundred forty-nine thousand, nine hundred seventy-two".