13427990 has 8 divisors (see below), whose sum is σ = 24170400. Its totient is φ = 5371192.

The previous prime is 13427983. The next prime is 13428049. The reversal of 13427990 is 9972431.

13427990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13427990.

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, 671390 + ... + 671409.

It is an arithmetic number, because the mean of its divisors is an integer number (3021300).

Almost surely, 2^13427990 is an apocalyptic number.

13427990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13427990 is a deficient number, since it is larger than the sum of its proper divisors (10742410).

13427990 is a wasteful number, since it uses less digits than its factorization.

13427990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342806.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 13427990 is about 3664.4221918332. The cubic root of 13427990 is about 237.6860370620.

The spelling of 13427990 in words is "thirteen million, four hundred twenty-seven thousand, nine hundred ninety".