13085990 has 8 divisors (see below), whose sum is σ = 23554800. Its totient is φ = 5234392.

The previous prime is 13085987. The next prime is 13086019. The reversal of 13085990 is 9958031.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13085990.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654290 + ... + 654309.

It is an arithmetic number, because the mean of its divisors is an integer number (2944350).

Almost surely, 2^13085990 is an apocalyptic number.

13085990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13085990 is a deficient number, since it is larger than the sum of its proper divisors (10468810).

13085990 is a wasteful number, since it uses less digits than its factorization.

13085990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308606.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 13085990 is about 3617.4562886094. The cubic root of 13085990 is about 235.6507690157.

The spelling of 13085990 in words is "thirteen million, eighty-five thousand, nine hundred ninety".