12757332 has 48 divisors (see below), whose sum is σ = 35199360. Its totient is φ = 3518592.

The previous prime is 12757331. The next prime is 12757333. The reversal of 12757332 is 23375721.

It is an interprime number because it is at equal distance from previous prime (12757331) and next prime (12757333).

It is a self number, because there is not a number n which added to its sum of digits gives 12757332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12757331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183 + ... + 5054.

It is an arithmetic number, because the mean of its divisors is an integer number (733320).

Almost surely, 2^12757332 is an apocalyptic number.

12757332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12757332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17599680).

12757332 is an abundant number, since it is smaller than the sum of its proper divisors (22442028).

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

12757332 is a wasteful number, since it uses less digits than its factorization.

12757332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280 (or 5278 counting only the distinct ones).

The product of its digits is 8820, while the sum is 30.

The square root of 12757332 is about 3571.7407520703. The cubic root of 12757332 is about 233.6612089010.

It can be divided in two parts, 12757 and 332, that multiplied together give a palindrome (4235324).

The spelling of 12757332 in words is "twelve million, seven hundred fifty-seven thousand, three hundred thirty-two".