12490537 has 2 divisors, whose sum is σ = 12490538. Its totient is φ = 12490536.

The previous prime is 12490523. The next prime is 12490547. The reversal of 12490537 is 73509421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12278016 + 212521 = 3504^2 + 461^2 .

It is a cyclic number.

It is not a de Polignac number, because 12490537 - 2⁷ = 12490409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12490499 and 12490508.

It is not a weakly prime, because it can be changed into another prime (12490507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6245268 + 6245269.

It is an arithmetic number, because the mean of its divisors is an integer number (6245269).

Almost surely, 2^12490537 is an apocalyptic number.

It is an amenable number.

12490537 is a deficient number, since it is larger than the sum of its proper divisors (1).

12490537 is an equidigital number, since it uses as much as digits as its factorization.

12490537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 12490537 is about 3534.1953822617. The cubic root of 12490537 is about 232.0208624224.

Adding to 12490537 its reverse (73509421), we get a palindrome (85999958).

The spelling of 12490537 in words is "twelve million, four hundred ninety thousand, five hundred thirty-seven".