12523746 has 16 divisors (see below), whose sum is σ = 25087104. Its totient is φ = 4167984.

The previous prime is 12523739. The next prime is 12523757. The reversal of 12523746 is 64732521.

It is a Curzon number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3895 + ... + 6341.

It is an arithmetic number, because the mean of its divisors is an integer number (1567944).

Almost surely, 2^12523746 is an apocalyptic number.

12523746 is an abundant number, since it is smaller than the sum of its proper divisors (12563358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12523746 is a wasteful number, since it uses less digits than its factorization.

12523746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305.

The product of its digits is 10080, while the sum is 30.

The square root of 12523746 is about 3538.8905040987. The cubic root of 12523746 is about 232.2263076117.

It can be divided in two parts, 125 and 23746, that added together give a triangular number (23871 = T₂₁₈).

The spelling of 12523746 in words is "twelve million, five hundred twenty-three thousand, seven hundred forty-six".