12791490 has 16 divisors (see below), whose sum is σ = 30699648. Its totient is φ = 3411056.

The previous prime is 12791489. The next prime is 12791533. The reversal of 12791490 is 9419721.

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 7 ways as a sum of consecutive naturals, for example, 213162 + ... + 213221.

It is an arithmetic number, because the mean of its divisors is an integer number (1918728).

Almost surely, 2^12791490 is an apocalyptic number.

12791490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12791490 is an abundant number, since it is smaller than the sum of its proper divisors (17908158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12791490 is a wasteful number, since it uses less digits than its factorization.

12791490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426393.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 12791490 is about 3576.5192576023. The cubic root of 12791490 is about 233.8695671664.

The spelling of 12791490 in words is "twelve million, seven hundred ninety-one thousand, four hundred ninety".