12492511 has 2 divisors, whose sum is σ = 12492512. Its totient is φ = 12492510.

The previous prime is 12492509. The next prime is 12492523. The reversal of 12492511 is 11529421.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (11529421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12492511 - 2¹ = 12492509 is a prime.

Together with 12492509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12492551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6246255 + 6246256.

It is an arithmetic number, because the mean of its divisors is an integer number (6246256).

Almost surely, 2^12492511 is an apocalyptic number.

12492511 is a deficient number, since it is larger than the sum of its proper divisors (1).

12492511 is an equidigital number, since it uses as much as digits as its factorization.

12492511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 25.

The square root of 12492511 is about 3534.4746427157. The cubic root of 12492511 is about 232.0330846099.

The spelling of 12492511 in words is "twelve million, four hundred ninety-two thousand, five hundred eleven".