13857694 has 4 divisors (see below), whose sum is σ = 20786544. Its totient is φ = 6928846.

The previous prime is 13857691. The next prime is 13857719. The reversal of 13857694 is 49675831.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13857694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13857691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3464422 + ... + 3464425.

It is an arithmetic number, because the mean of its divisors is an integer number (5196636).

Almost surely, 2^13857694 is an apocalyptic number.

13857694 is a deficient number, since it is larger than the sum of its proper divisors (6928850).

13857694 is an equidigital number, since it uses as much as digits as its factorization.

13857694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6928849.

The product of its digits is 181440, while the sum is 43.

The square root of 13857694 is about 3722.5923762883. The cubic root of 13857694 is about 240.1948302214.

The spelling of 13857694 in words is "thirteen million, eight hundred fifty-seven thousand, six hundred ninety-four".