13892809 has 8 divisors (see below), whose sum is σ = 16265088. Its totient is φ = 11617440.

The previous prime is 13892807. The next prime is 13892833. The reversal of 13892809 is 90829831.

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 13892809 - 2¹ = 13892807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13892803) 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, 23917 + ... + 24490.

It is an arithmetic number, because the mean of its divisors is an integer number (2033136).

Almost surely, 2^13892809 is an apocalyptic number.

It is an amenable number.

13892809 is a deficient number, since it is larger than the sum of its proper divisors (2372279).

13892809 is an equidigital number, since it uses as much as digits as its factorization.

13892809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48455.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 13892809 is about 3727.3058634891. The cubic root of 13892809 is about 240.3975413715.

The spelling of 13892809 in words is "thirteen million, eight hundred ninety-two thousand, eight hundred nine".