12663790 has 8 divisors (see below), whose sum is σ = 22794840. Its totient is φ = 5065512.

The previous prime is 12663787. The next prime is 12663803. The reversal of 12663790 is 9736621.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633180 + ... + 633199.

It is an arithmetic number, because the mean of its divisors is an integer number (2849355).

Almost surely, 2^12663790 is an apocalyptic number.

12663790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12663790 is a deficient number, since it is larger than the sum of its proper divisors (10131050).

12663790 is a wasteful number, since it uses less digits than its factorization.

12663790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266386.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 12663790 is about 3558.6219242847. The cubic root of 12663790 is about 233.0887073433.

The spelling of 12663790 in words is "twelve million, six hundred sixty-three thousand, seven hundred ninety".