13912089 has 4 divisors (see below), whose sum is σ = 18549456. Its totient is φ = 9274724.

The previous prime is 13912061. The next prime is 13912099. The reversal of 13912089 is 98021931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13912089 - 2¹⁵ = 13879321 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13912039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2318679 + ... + 2318684.

It is an arithmetic number, because the mean of its divisors is an integer number (4637364).

Almost surely, 2^13912089 is an apocalyptic number.

It is an amenable number.

13912089 is a deficient number, since it is larger than the sum of its proper divisors (4637367).

13912089 is an equidigital number, since it uses as much as digits as its factorization.

13912089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4637366.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 13912089 is about 3729.8912852790. The cubic root of 13912089 is about 240.5086953315.

The spelling of 13912089 in words is "thirteen million, nine hundred twelve thousand, eighty-nine".