12757748 has 12 divisors (see below), whose sum is σ = 22929732. Its totient is φ = 6206400.

The previous prime is 12757741. The next prime is 12757751. The reversal of 12757748 is 84775721.

12757748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6091024 + 6666724 = 2468^2 + 2582^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12757741) 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, 42953 + ... + 43248.

It is an arithmetic number, because the mean of its divisors is an integer number (1910811).

Almost surely, 2^12757748 is an apocalyptic number.

It is an amenable number.

12757748 is a deficient number, since it is larger than the sum of its proper divisors (10171984).

12757748 is a wasteful number, since it uses less digits than its factorization.

12757748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86242 (or 86240 counting only the distinct ones).

The product of its digits is 109760, while the sum is 41.

The square root of 12757748 is about 3571.7989865053. The cubic root of 12757748 is about 233.6637486694.

It can be divided in two parts, 127 and 57748, that added together give a palindrome (57875).

The spelling of 12757748 in words is "twelve million, seven hundred fifty-seven thousand, seven hundred forty-eight".