12394690 has 32 divisors (see below), whose sum is σ = 27817344. Its totient is φ = 3863040.

The previous prime is 12394673. The next prime is 12394721. The reversal of 12394690 is 9649321.

It is a super-2 number, since 2×12394690² = 307256680392200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7279 + ... + 8818.

It is an arithmetic number, because the mean of its divisors is an integer number (869292).

Almost surely, 2^12394690 is an apocalyptic number.

12394690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12394690 is an abundant number, since it is smaller than the sum of its proper divisors (15422654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12394690 is a wasteful number, since it uses less digits than its factorization.

12394690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16122.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 12394690 is about 3520.6093222623. The cubic root of 12394690 is about 231.4258618433.

It can be divided in two parts, 1239 and 4690, that added together give a square (5929 = 77²).

The spelling of 12394690 in words is "twelve million, three hundred ninety-four thousand, six hundred ninety".