13213694 has 16 divisors (see below), whose sum is σ = 21409920. Its totient is φ = 6080160.

The previous prime is 13213691. The next prime is 13213703. The reversal of 13213694 is 49631231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11924 + ... + 12984.

It is an arithmetic number, because the mean of its divisors is an integer number (1338120).

Almost surely, 2^13213694 is an apocalyptic number.

13213694 is a deficient number, since it is larger than the sum of its proper divisors (8196226).

13213694 is a wasteful number, since it uses less digits than its factorization.

13213694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555.

The product of its digits is 3888, while the sum is 29.

The square root of 13213694 is about 3635.0645111194. The cubic root of 13213694 is about 236.4148477614.

The spelling of 13213694 in words is "thirteen million, two hundred thirteen thousand, six hundred ninety-four".