13904149 has 8 divisors (see below), whose sum is σ = 16037120. Its totient is φ = 11807856.

The previous prime is 13904141. The next prime is 13904153. The reversal of 13904149 is 94140931.

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

It is a cyclic number.

It is not a de Polignac number, because 13904149 - 2³ = 13904141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13904149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13904141) 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, 8349 + ... + 9874.

It is an arithmetic number, because the mean of its divisors is an integer number (2004640).

Almost surely, 2^13904149 is an apocalyptic number.

It is an amenable number.

13904149 is a deficient number, since it is larger than the sum of its proper divisors (2132971).

13904149 is a wasteful number, since it uses less digits than its factorization.

13904149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18339.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 13904149 is about 3728.8267591831. The cubic root of 13904149 is about 240.4629317166.

The spelling of 13904149 in words is "thirteen million, nine hundred four thousand, one hundred forty-nine".