12733956 has 48 divisors (see below), whose sum is σ = 33268480. Its totient is φ = 4212000.

The previous prime is 12733949. The next prime is 12733961. The reversal of 12733956 is 65933721.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12733956.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16581 + ... + 17331.

Almost surely, 2^12733956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12733956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16634240).

12733956 is an abundant number, since it is smaller than the sum of its proper divisors (20534524).

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

12733956 is a wasteful number, since it uses less digits than its factorization.

12733956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 913 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 12733956 is about 3568.4668977027. The cubic root of 12733956 is about 233.5184046434.

It can be divided in two parts, 12733 and 956, that added together give a square (13689 = 117²).

The spelling of 12733956 in words is "twelve million, seven hundred thirty-three thousand, nine hundred fifty-six".