12522744 has 96 divisors (see below), whose sum is σ = 38722320. Its totient is φ = 3621888.

The previous prime is 12522743. The next prime is 12522779. The reversal of 12522744 is 44722521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12522743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15519 + ... + 16305.

Almost surely, 2^12522744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12522744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19361160).

12522744 is an abundant number, since it is smaller than the sum of its proper divisors (26199576).

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

12522744 is a wasteful number, since it uses less digits than its factorization.

12522744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 822 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 12522744 is about 3538.7489314728. The cubic root of 12522744 is about 232.2201141249.

The spelling of 12522744 in words is "twelve million, five hundred twenty-two thousand, seven hundred forty-four".