12544742 has 16 divisors (see below), whose sum is σ = 22770720. Its totient is φ = 5059968.

The previous prime is 12544709. The next prime is 12544747. The reversal of 12544742 is 24744521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12544747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26117 + ... + 26592.

It is an arithmetic number, because the mean of its divisors is an integer number (1423170).

Almost surely, 2^12544742 is an apocalyptic number.

12544742 is a deficient number, since it is larger than the sum of its proper divisors (10225978).

12544742 is a wasteful number, since it uses less digits than its factorization.

12544742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52735.

The product of its digits is 8960, while the sum is 29.

The square root of 12544742 is about 3541.8557282871. The cubic root of 12544742 is about 232.3560105862.

The spelling of 12544742 in words is "twelve million, five hundred forty-four thousand, seven hundred forty-two".