13692089 has 8 divisors (see below), whose sum is σ = 14997960. Its totient is φ = 12441856.

The previous prime is 13692083. The next prime is 13692167. The reversal of 13692089 is 98029631.

It can be written as a sum of positive squares in 4 ways, for example, as 4644025 + 9048064 = 2155^2 + 3008^2 .

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 13692089 - 2²⁰ = 12643513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13692083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13394 + ... + 14379.

It is an arithmetic number, because the mean of its divisors is an integer number (1874745).

Almost surely, 2^13692089 is an apocalyptic number.

It is an amenable number.

13692089 is a deficient number, since it is larger than the sum of its proper divisors (1305871).

13692089 is a wasteful number, since it uses less digits than its factorization.

13692089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27819.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 13692089 is about 3700.2822865290. The cubic root of 13692089 is about 239.2341851214.

The spelling of 13692089 in words is "thirteen million, six hundred ninety-two thousand, eighty-nine".