12492523 has 2 divisors, whose sum is σ = 12492524. Its totient is φ = 12492522.

The previous prime is 12492511. The next prime is 12492539. The reversal of 12492523 is 32529421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12492523 - 2¹⁷ = 12361451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12492491 and 12492500.

It is not a weakly prime, because it can be changed into another prime (12492583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6246261 + 6246262.

It is an arithmetic number, because the mean of its divisors is an integer number (6246262).

Almost surely, 2^12492523 is an apocalyptic number.

12492523 is a deficient number, since it is larger than the sum of its proper divisors (1).

12492523 is an equidigital number, since it uses as much as digits as its factorization.

12492523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 12492523 is about 3534.4763402801. The cubic root of 12492523 is about 232.0331589050.

The spelling of 12492523 in words is "twelve million, four hundred ninety-two thousand, five hundred twenty-three".