13381694 has 4 divisors (see below), whose sum is σ = 20072544. Its totient is φ = 6690846.

The previous prime is 13381691. The next prime is 13381717. The reversal of 13381694 is 49618331.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13381691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3345422 + ... + 3345425.

It is an arithmetic number, because the mean of its divisors is an integer number (5018136).

Almost surely, 2^13381694 is an apocalyptic number.

13381694 is a deficient number, since it is larger than the sum of its proper divisors (6690850).

13381694 is an equidigital number, since it uses as much as digits as its factorization.

13381694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6690849.

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

The square root of 13381694 is about 3658.0997799404. The cubic root of 13381694 is about 237.4125639361.

The spelling of 13381694 in words is "thirteen million, three hundred eighty-one thousand, six hundred ninety-four".