12757832 has 8 divisors (see below), whose sum is σ = 23920950. Its totient is φ = 6378912.

The previous prime is 12757807. The next prime is 12757861. The reversal of 12757832 is 23875721.

It can be written as a sum of positive squares in only one way, i.e., 8031556 + 4726276 = 2834^2 + 2174^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 12757792 and 12757801.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 797357 + ... + 797372.

Almost surely, 2^12757832 is an apocalyptic number.

It is an amenable number.

12757832 is a deficient number, since it is larger than the sum of its proper divisors (11163118).

12757832 is a wasteful number, since it uses less digits than its factorization.

12757832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594735 (or 1594731 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 12757832 is about 3571.8107452663. The cubic root of 12757832 is about 233.6642615005.

The spelling of 12757832 in words is "twelve million, seven hundred fifty-seven thousand, eight hundred thirty-two".