13751928 has 48 divisors (see below), whose sum is σ = 37416600. Its totient is φ = 4562880.

The previous prime is 13751911. The next prime is 13751971. The reversal of 13751928 is 82915731.

13751928 is a `hidden beast` number, since 137 + 519 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13751892 and 13751901.

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 11 ways as a sum of consecutive naturals, for example, 27763 + ... + 28253.

Almost surely, 2^13751928 is an apocalyptic number.

13751928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13751928 is an abundant number, since it is smaller than the sum of its proper divisors (23664672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13751928 is a wasteful number, since it uses less digits than its factorization.

13751928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 885 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 13751928 is about 3708.3592059023. The cubic root of 13751928 is about 239.5821897328.

The spelling of 13751928 in words is "thirteen million, seven hundred fifty-one thousand, nine hundred twenty-eight".