12969756 has 18 divisors (see below), whose sum is σ = 32784752. Its totient is φ = 4323240.

The previous prime is 12969751. The next prime is 12969767. The reversal of 12969756 is 65796921.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12969751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180100 + ... + 180171.

Almost surely, 2^12969756 is an apocalyptic number.

It is an amenable number.

12969756 is an abundant number, since it is smaller than the sum of its proper divisors (19814996).

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

12969756 is a wasteful number, since it uses less digits than its factorization.

12969756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360281 (or 360276 counting only the distinct ones).

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

The square root of 12969756 is about 3601.3547450925. The cubic root of 12969756 is about 234.9509841939.

The spelling of 12969756 in words is "twelve million, nine hundred sixty-nine thousand, seven hundred fifty-six".