13081694 has 8 divisors (see below), whose sum is σ = 19944408. Its totient is φ = 6433560.

The previous prime is 13081667. The next prime is 13081699. The reversal of 13081694 is 49618031.

It is a happy number.

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

It is a super-2 number, since 2×13081694² = 342261435819272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13081694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13081699) 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, 53492 + ... + 53735.

It is an arithmetic number, because the mean of its divisors is an integer number (2493051).

Almost surely, 2^13081694 is an apocalyptic number.

13081694 is a deficient number, since it is larger than the sum of its proper divisors (6862714).

13081694 is a wasteful number, since it uses less digits than its factorization.

13081694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107290.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 13081694 is about 3616.8624524579. The cubic root of 13081694 is about 235.6249789276.

The spelling of 13081694 in words is "thirteen million, eighty-one thousand, six hundred ninety-four".