13928149 has 8 divisors (see below), whose sum is σ = 14461920. Its totient is φ = 13398000.

The previous prime is 13928143. The next prime is 13928177. The reversal of 13928149 is 94182931.

13928149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-13928149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13928143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8874 + ... + 10324.

It is an arithmetic number, because the mean of its divisors is an integer number (1807740).

Almost surely, 2^13928149 is an apocalyptic number.

It is an amenable number.

13928149 is a deficient number, since it is larger than the sum of its proper divisors (533771).

13928149 is a wasteful number, since it uses less digits than its factorization.

13928149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811.

The product of its digits is 15552, while the sum is 37.

The square root of 13928149 is about 3732.0435420825. The cubic root of 13928149 is about 240.6012068226.

The spelling of 13928149 in words is "thirteen million, nine hundred twenty-eight thousand, one hundred forty-nine".