12753536 has 32 divisors (see below), whose sum is σ = 26906580. Its totient is φ = 6000640.

The previous prime is 12753511. The next prime is 12753557. The reversal of 12753536 is 63535721.

It can be written as a sum of positive squares in 2 ways, for example, as 12559936 + 193600 = 3544^2 + 440^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755 + ... + 5106.

Almost surely, 2^12753536 is an apocalyptic number.

12753536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12753536 is an abundant number, since it is smaller than the sum of its proper divisors (14153044).

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

12753536 is an equidigital number, since it uses as much as digits as its factorization.

12753536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5892 (or 5880 counting only the distinct ones).

The product of its digits is 18900, while the sum is 32.

The square root of 12753536 is about 3571.2093189843. The cubic root of 12753536 is about 233.6380309633.

The spelling of 12753536 in words is "twelve million, seven hundred fifty-three thousand, five hundred thirty-six".