13199685 has 8 divisors (see below), whose sum is σ = 21119520. Its totient is φ = 7039824.

The previous prime is 13199671. The next prime is 13199687. The reversal of 13199685 is 58699131.

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

It is not a de Polignac number, because 13199685 - 2⁵ = 13199653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13199687) 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 in 7 ways as a sum of consecutive naturals, for example, 439975 + ... + 440004.

It is an arithmetic number, because the mean of its divisors is an integer number (2639940).

Almost surely, 2^13199685 is an apocalyptic number.

13199685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13199685 is a deficient number, since it is larger than the sum of its proper divisors (7919835).

13199685 is an equidigital number, since it uses as much as digits as its factorization.

13199685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879987.

The product of its digits is 58320, while the sum is 42.

The square root of 13199685 is about 3633.1370742101. The cubic root of 13199685 is about 236.3312701558.

The spelling of 13199685 in words is "thirteen million, one hundred ninety-nine thousand, six hundred eighty-five".