13728694 has 8 divisors (see below), whose sum is σ = 23534928. Its totient is φ = 5883720.

The previous prime is 13728679. The next prime is 13728703. The reversal of 13728694 is 49682731.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490297 + ... + 490324.

It is an arithmetic number, because the mean of its divisors is an integer number (2941866).

Almost surely, 2^13728694 is an apocalyptic number.

13728694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13728694 is a deficient number, since it is larger than the sum of its proper divisors (9806234).

13728694 is an equidigital number, since it uses as much as digits as its factorization.

13728694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980630.

The product of its digits is 72576, while the sum is 40.

The square root of 13728694 is about 3705.2252293214. The cubic root of 13728694 is about 239.4471882892.

The spelling of 13728694 in words is "thirteen million, seven hundred twenty-eight thousand, six hundred ninety-four".