12597490 has 8 divisors (see below), whose sum is σ = 22675500. Its totient is φ = 5038992.

The previous prime is 12597479. The next prime is 12597499. The reversal of 12597490 is 9479521.

It can be written as a sum of positive squares in 2 ways, for example, as 11471769 + 1125721 = 3387^2 + 1061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12597499) 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, 629865 + ... + 629884.

Almost surely, 2^12597490 is an apocalyptic number.

12597490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12597490 is a deficient number, since it is larger than the sum of its proper divisors (10078010).

12597490 is a wasteful number, since it uses less digits than its factorization.

12597490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259756.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 12597490 is about 3549.2942960538. The cubic root of 12597490 is about 232.6812245671.

The spelling of 12597490 in words is "twelve million, five hundred ninety-seven thousand, four hundred ninety".