12490784 has 24 divisors (see below), whose sum is σ = 26038908. Its totient is φ = 5877760.

The previous prime is 12490783. The next prime is 12490813. The reversal of 12490784 is 48709421.

It can be written as a sum of positive squares in 2 ways, for example, as 11751184 + 739600 = 3428^2 + 860^2 .

It is not an unprimeable number, because it can be changed into a prime (12490781) 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, 10937 + ... + 12024.

Almost surely, 2^12490784 is an apocalyptic number.

It is an amenable number.

12490784 is an abundant number, since it is smaller than the sum of its proper divisors (13548124).

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

12490784 is a wasteful number, since it uses less digits than its factorization.

12490784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22988 (or 22980 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 12490784 is about 3534.2303263936. The cubic root of 12490784 is about 232.0223918142.

The spelling of 12490784 in words is "twelve million, four hundred ninety thousand, seven hundred eighty-four".