12394990 has 8 divisors (see below), whose sum is σ = 22311000. Its totient is φ = 4957992.

The previous prime is 12394979. The next prime is 12395027. The reversal of 12394990 is 9949321.

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, 619740 + ... + 619759.

It is an arithmetic number, because the mean of its divisors is an integer number (2788875).

Almost surely, 2^12394990 is an apocalyptic number.

12394990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12394990 is a deficient number, since it is larger than the sum of its proper divisors (9916010).

12394990 is a wasteful number, since it uses less digits than its factorization.

12394990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239506.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 12394990 is about 3520.6519282656. The cubic root of 12394990 is about 231.4277289654.

The spelling of 12394990 in words is "twelve million, three hundred ninety-four thousand, nine hundred ninety".