12497904 has 60 divisors (see below), whose sum is σ = 35222200. Its totient is φ = 4136832.

The previous prime is 12497893. The next prime is 12497909. The reversal of 12497904 is 40979421.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12497909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32787 + ... + 33165.

Almost surely, 2^12497904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12497904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17611100).

12497904 is an abundant number, since it is smaller than the sum of its proper divisors (22724296).

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

12497904 is a wasteful number, since it uses less digits than its factorization.

12497904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 12497904 is about 3535.2374743431. The cubic root of 12497904 is about 232.0664692619.

The spelling of 12497904 in words is "twelve million, four hundred ninety-seven thousand, nine hundred four".