12892513 has 2 divisors, whose sum is σ = 12892514. Its totient is φ = 12892512.

The previous prime is 12892499. The next prime is 12892519. The reversal of 12892513 is 31529821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12873744 + 18769 = 3588^2 + 137^2 .

It is a cyclic number.

It is not a de Polignac number, because 12892513 - 2¹³ = 12884321 is a prime.

It is not a weakly prime, because it can be changed into another prime (12892519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6446256 + 6446257.

It is an arithmetic number, because the mean of its divisors is an integer number (6446257).

Almost surely, 2^12892513 is an apocalyptic number.

It is an amenable number.

12892513 is a deficient number, since it is larger than the sum of its proper divisors (1).

12892513 is an equidigital number, since it uses as much as digits as its factorization.

12892513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 12892513 is about 3590.6145713513. The cubic root of 12892513 is about 234.4836285308.

The spelling of 12892513 in words is "twelve million, eight hundred ninety-two thousand, five hundred thirteen".