12748552 has 16 divisors (see below), whose sum is σ = 23941440. Its totient is φ = 6364176.

The previous prime is 12748513. The next prime is 12748553. The reversal of 12748552 is 25584721.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12748553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9133 + ... + 10435.

It is an arithmetic number, because the mean of its divisors is an integer number (1496340).

Almost surely, 2^12748552 is an apocalyptic number.

It is an amenable number.

12748552 is a deficient number, since it is larger than the sum of its proper divisors (11192888).

12748552 is a wasteful number, since it uses less digits than its factorization.

12748552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532 (or 2528 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The square root of 12748552 is about 3570.5114479581. The cubic root of 12748552 is about 233.6075922503.

The spelling of 12748552 in words is "twelve million, seven hundred forty-eight thousand, five hundred fifty-two".