12523743 has 12 divisors (see below), whose sum is σ = 18128968. Its totient is φ = 8331120.

The previous prime is 12523739. The next prime is 12523757. The reversal of 12523743 is 34732521.

It is not a de Polignac number, because 12523743 - 2² = 12523739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12523243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3921 + ... + 6357.

Almost surely, 2^12523743 is an apocalyptic number.

12523743 is a deficient number, since it is larger than the sum of its proper divisors (5605225).

12523743 is a wasteful number, since it uses less digits than its factorization.

12523743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014 (or 3011 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 12523743 is about 3538.8900802370. The cubic root of 12523743 is about 232.2262890688.

The spelling of 12523743 in words is "twelve million, five hundred twenty-three thousand, seven hundred forty-three".