13690873 has 4 divisors (see below), whose sum is σ = 15646720. Its totient is φ = 11735028.

The previous prime is 13690861. The next prime is 13690877. The reversal of 13690873 is 37809631.

13690873 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 13690873 - 2⁹ = 13690361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13690877) 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, 977913 + ... + 977926.

It is an arithmetic number, because the mean of its divisors is an integer number (3911680).

Almost surely, 2^13690873 is an apocalyptic number.

It is an amenable number.

13690873 is a deficient number, since it is larger than the sum of its proper divisors (1955847).

13690873 is an equidigital number, since it uses as much as digits as its factorization.

13690873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955846.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 13690873 is about 3700.1179710923. The cubic root of 13690873 is about 239.2271027499.

The spelling of 13690873 in words is "thirteen million, six hundred ninety thousand, eight hundred seventy-three".