12393790 has 8 divisors (see below), whose sum is σ = 22308840. Its totient is φ = 4957512.

The previous prime is 12393743. The next prime is 12393791. The reversal of 12393790 is 9739321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12393791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619680 + ... + 619699.

It is an arithmetic number, because the mean of its divisors is an integer number (2788605).

Almost surely, 2^12393790 is an apocalyptic number.

12393790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12393790 is a deficient number, since it is larger than the sum of its proper divisors (9915050).

12393790 is a wasteful number, since it uses less digits than its factorization.

12393790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239386.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 12393790 is about 3520.4815011586. The cubic root of 12393790 is about 231.4202602962.

The spelling of 12393790 in words is "twelve million, three hundred ninety-three thousand, seven hundred ninety".