12290912 has 24 divisors (see below), whose sum is σ = 24657696. Its totient is φ = 6028672.

The previous prime is 12290909. The next prime is 12290917. The reversal of 12290912 is 21909221.

It is a happy number.

12290912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12290917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1928 + ... + 5319.

It is an arithmetic number, because the mean of its divisors is an integer number (1027404).

Almost surely, 2^12290912 is an apocalyptic number.

It is an amenable number.

12290912 is an abundant number, since it is smaller than the sum of its proper divisors (12366784).

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

12290912 is an equidigital number, since it uses as much as digits as its factorization.

12290912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7310 (or 7302 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 12290912 is about 3505.8396997011. The cubic root of 12290912 is about 230.7781582415.

The spelling of 12290912 in words is "twelve million, two hundred ninety thousand, nine hundred twelve".