13791290 has 8 divisors (see below), whose sum is σ = 24824340. Its totient is φ = 5516512.

The previous prime is 13791277. The next prime is 13791299. The reversal of 13791290 is 9219731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13271449 + 519841 = 3643^2 + 721^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13791299) 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 3 ways as a sum of consecutive naturals, for example, 689555 + ... + 689574.

Almost surely, 2^13791290 is an apocalyptic number.

13791290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13791290 is a deficient number, since it is larger than the sum of its proper divisors (11033050).

13791290 is a wasteful number, since it uses less digits than its factorization.

13791290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379136.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 13791290 is about 3713.6626125700. The cubic root of 13791290 is about 239.8105565211.

The spelling of 13791290 in words is "thirteen million, seven hundred ninety-one thousand, two hundred ninety".