12819790 has 8 divisors (see below), whose sum is σ = 23075640. Its totient is φ = 5127912.

The previous prime is 12819773. The next prime is 12819841. The reversal of 12819790 is 9791821.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640980 + ... + 640999.

It is an arithmetic number, because the mean of its divisors is an integer number (2884455).

Almost surely, 2^12819790 is an apocalyptic number.

12819790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12819790 is a deficient number, since it is larger than the sum of its proper divisors (10255850).

12819790 is a wasteful number, since it uses less digits than its factorization.

12819790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281986.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 12819790 is about 3580.4734323829. The cubic root of 12819790 is about 234.0419117953.

The spelling of 12819790 in words is "twelve million, eight hundred nineteen thousand, seven hundred ninety".