13929089 has 8 divisors (see below), whose sum is σ = 14259240. Its totient is φ = 13601536.

The previous prime is 13929079. The next prime is 13929101. The reversal of 13929089 is 98092931.

It can be written as a sum of positive squares in 4 ways, for example, as 3301489 + 10627600 = 1817^2 + 3260^2 .

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 13929089 - 2⁸ = 13928833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13929029) 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, 13769 + ... + 14745.

It is an arithmetic number, because the mean of its divisors is an integer number (1782405).

Almost surely, 2^13929089 is an apocalyptic number.

It is an amenable number.

13929089 is a deficient number, since it is larger than the sum of its proper divisors (330151).

13929089 is an equidigital number, since it uses as much as digits as its factorization.

13929089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 13929089 is about 3732.1694763234. The cubic root of 13929089 is about 240.6066193640.

The spelling of 13929089 in words is "thirteen million, nine hundred twenty-nine thousand, eighty-nine".