12274990 has 96 divisors (see below), whose sum is σ = 28957824. Its totient is φ = 3709440.

The previous prime is 12274987. The next prime is 12275017. The reversal of 12274990 is 9947221.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 261147 + ... + 261193.

It is an arithmetic number, because the mean of its divisors is an integer number (301644).

Almost surely, 2^12274990 is an apocalyptic number.

12274990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12274990 is an abundant number, since it is smaller than the sum of its proper divisors (16682834).

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

12274990 is a wasteful number, since it uses less digits than its factorization.

12274990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 12274990 is about 3503.5681811547. The cubic root of 12274990 is about 230.6784629642.

The spelling of 12274990 in words is "twelve million, two hundred seventy-four thousand, nine hundred ninety".