12490523 has 2 divisors, whose sum is σ = 12490524. Its totient is φ = 12490522.

The previous prime is 12490507. The next prime is 12490537. The reversal of 12490523 is 32509421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12490523 - 2⁴ = 12490507 is a prime.

It is equal to p₈₁₈₁₅₃ and since 12490523 and 818153 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 12490492 and 12490501.

It is not a weakly prime, because it can be changed into another prime (12490823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6245261 + 6245262.

It is an arithmetic number, because the mean of its divisors is an integer number (6245262).

Almost surely, 2^12490523 is an apocalyptic number.

12490523 is a deficient number, since it is larger than the sum of its proper divisors (1).

12490523 is an equidigital number, since it uses as much as digits as its factorization.

12490523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 12490523 is about 3534.1934016123. The cubic root of 12490523 is about 232.0207757356.

Adding to 12490523 its reverse (32509421), we get a palindrome (44999944).

The spelling of 12490523 in words is "twelve million, four hundred ninety thousand, five hundred twenty-three".