13613894 has 16 divisors (see below), whose sum is σ = 23392800. Its totient is φ = 5820864.

The previous prime is 13613893. The next prime is 13613911. The reversal of 13613894 is 49831631.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13613893) 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, 7112 + ... + 8820.

It is an arithmetic number, because the mean of its divisors is an integer number (1462050).

Almost surely, 2^13613894 is an apocalyptic number.

13613894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13613894 is a deficient number, since it is larger than the sum of its proper divisors (9778906).

13613894 is a wasteful number, since it uses less digits than its factorization.

13613894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287.

The product of its digits is 15552, while the sum is 35.

The square root of 13613894 is about 3689.7010719027. The cubic root of 13613894 is about 238.7778962863. Note that the first 3 decimals are identical.

The spelling of 13613894 in words is "thirteen million, six hundred thirteen thousand, eight hundred ninety-four".