12996756 has 72 divisors (see below), whose sum is σ = 34725600. Its totient is φ = 4092480.

The previous prime is 12996751. The next prime is 12996757. The reversal of 12996756 is 65769921.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12996751) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61491 + ... + 61701.

It is an arithmetic number, because the mean of its divisors is an integer number (482300).

Almost surely, 2^12996756 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 12996756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17362800).

12996756 is an abundant number, since it is smaller than the sum of its proper divisors (21728844).

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

12996756 is a wasteful number, since it uses less digits than its factorization.

12996756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 304 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 12996756 is about 3605.1013855369. The cubic root of 12996756 is about 235.1139088637.

The spelling of 12996756 in words is "twelve million, nine hundred ninety-six thousand, seven hundred fifty-six".