12490823 has 2 divisors, whose sum is σ = 12490824. Its totient is φ = 12490822.

The previous prime is 12490813. The next prime is 12490837. The reversal of 12490823 is 32809421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12490823 - 2⁶ = 12490759 is a prime.

It is a Sophie Germain prime.

It is equal to p₈₁₈₁₇₄ and since 12490823 and 818174 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12490813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6245411 + 6245412.

It is an arithmetic number, because the mean of its divisors is an integer number (6245412).

Almost surely, 2^12490823 is an apocalyptic number.

12490823 is a deficient number, since it is larger than the sum of its proper divisors (1).

12490823 is an equidigital number, since it uses as much as digits as its factorization.

12490823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 12490823 is about 3534.2358438565. The cubic root of 12490823 is about 232.0226332953.

The spelling of 12490823 in words is "twelve million, four hundred ninety thousand, eight hundred twenty-three".