13513894 has 8 divisors (see below), whose sum is σ = 20515320. Its totient is φ = 6675456.

The previous prime is 13513873. The next prime is 13513897. The reversal of 13513894 is 49831531.

13513894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13513897) 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, 40539 + ... + 40870.

It is an arithmetic number, because the mean of its divisors is an integer number (2564415).

Almost surely, 2^13513894 is an apocalyptic number.

13513894 is a deficient number, since it is larger than the sum of its proper divisors (7001426).

13513894 is an equidigital number, since it uses as much as digits as its factorization.

13513894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81494.

The product of its digits is 12960, while the sum is 34.

The square root of 13513894 is about 3676.1248618620. The cubic root of 13513894 is about 238.1918162700.

The spelling of 13513894 in words is "thirteen million, five hundred thirteen thousand, eight hundred ninety-four".