13912149 has 16 divisors (see below), whose sum is σ = 19261440. Its totient is φ = 8922480.

The previous prime is 13912147. The next prime is 13912153. The reversal of 13912149 is 94121931.

It is not a de Polignac number, because 13912149 - 2¹ = 13912147 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13912147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20782 + ... + 21440.

It is an arithmetic number, because the mean of its divisors is an integer number (1203840).

Almost surely, 2^13912149 is an apocalyptic number.

It is an amenable number.

13912149 is a deficient number, since it is larger than the sum of its proper divisors (5349291).

13912149 is a wasteful number, since it uses less digits than its factorization.

13912149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920.

The product of its digits is 1944, while the sum is 30.

The square root of 13912149 is about 3729.8993284002. The cubic root of 13912149 is about 240.5090410860.

The spelling of 13912149 in words is "thirteen million, nine hundred twelve thousand, one hundred forty-nine".