12533732 has 6 divisors (see below), whose sum is σ = 21934038. Its totient is φ = 6266864.

The previous prime is 12533723. The next prime is 12533737. The reversal of 12533732 is 23733521.

It can be written as a sum of positive squares in only one way, i.e., 11397376 + 1136356 = 3376^2 + 1066^2 .

It is not an unprimeable number, because it can be changed into a prime (12533737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1566713 + ... + 1566720.

It is an arithmetic number, because the mean of its divisors is an integer number (3655673).

Almost surely, 2^12533732 is an apocalyptic number.

It is an amenable number.

12533732 is a deficient number, since it is larger than the sum of its proper divisors (9400306).

12533732 is a wasteful number, since it uses less digits than its factorization.

12533732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133437 (or 3133435 counting only the distinct ones).

The product of its digits is 3780, while the sum is 26.

The square root of 12533732 is about 3540.3011171368. The cubic root of 12533732 is about 232.2880142772.

The spelling of 12533732 in words is "twelve million, five hundred thirty-three thousand, seven hundred thirty-two".