13144790 has 8 divisors (see below), whose sum is σ = 23660640. Its totient is φ = 5257912.

The previous prime is 13144783. The next prime is 13144823. The reversal of 13144790 is 9744131.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657230 + ... + 657249.

It is an arithmetic number, because the mean of its divisors is an integer number (2957580).

Almost surely, 2^13144790 is an apocalyptic number.

13144790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13144790 is a deficient number, since it is larger than the sum of its proper divisors (10515850).

13144790 is a wasteful number, since it uses less digits than its factorization.

13144790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314486.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 13144790 is about 3625.5744372444. The cubic root of 13144790 is about 236.0031958774.

The spelling of 13144790 in words is "thirteen million, one hundred forty-four thousand, seven hundred ninety".