12660790 has 8 divisors (see below), whose sum is σ = 22789440. Its totient is φ = 5064312.

The previous prime is 12660779. The next prime is 12660793. The reversal of 12660790 is 9706621.

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 (12660793) 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, 633030 + ... + 633049.

It is an arithmetic number, because the mean of its divisors is an integer number (2848680).

Almost surely, 2^12660790 is an apocalyptic number.

12660790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12660790 is a deficient number, since it is larger than the sum of its proper divisors (10128650).

12660790 is a wasteful number, since it uses less digits than its factorization.

12660790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266086.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 12660790 is about 3558.2003878365. The cubic root of 12660790 is about 233.0702999695.

The spelling of 12660790 in words is "twelve million, six hundred sixty thousand, seven hundred ninety".