12733632 has 56 divisors (see below), whose sum is σ = 37439600. Its totient is φ = 4243968.

The previous prime is 12733627. The next prime is 12733673. The reversal of 12733632 is 23633721.

12733632 is a `hidden beast` number, since 1 + 27 + 3 + 3 + 632 = 666.

It is a super-2 number, since 2×12733632² = 324290767822848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 12733596 and 12733605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1957 + ... + 5412.

Almost surely, 2^12733632 is an apocalyptic number.

12733632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12733632 is an abundant number, since it is smaller than the sum of its proper divisors (24705968).

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

12733632 is an equidigital number, since it uses as much as digits as its factorization.

12733632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7390 (or 7374 counting only the distinct ones).

The product of its digits is 4536, while the sum is 27.

The square root of 12733632 is about 3568.4214997671. The cubic root of 12733632 is about 233.5164240962.

The spelling of 12733632 in words is "twelve million, seven hundred thirty-three thousand, six hundred thirty-two".