12490818 has 32 divisors (see below), whose sum is σ = 26671680. Its totient is φ = 3886080.

The previous prime is 12490813. The next prime is 12490823. The reversal of 12490818 is 81809421.

It is an interprime number because it is at equal distance from previous prime (12490813) and next prime (12490823).

It is not an unprimeable number, because it can be changed into a prime (12490813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13738 + ... + 14618.

It is an arithmetic number, because the mean of its divisors is an integer number (833490).

Almost surely, 2^12490818 is an apocalyptic number.

12490818 is an abundant number, since it is smaller than the sum of its proper divisors (14180862).

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

12490818 is a wasteful number, since it uses less digits than its factorization.

12490818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 12490818 is about 3534.2351364899. The cubic root of 12490818 is about 232.0226023362.

The spelling of 12490818 in words is "twelve million, four hundred ninety thousand, eight hundred eighteen".