11967956 has 96 divisors (see below), whose sum is σ = 29164800. Its totient is φ = 4233600.

The previous prime is 11967937. The next prime is 11967971. The reversal of 11967956 is 65976911.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196166 + ... + 196226.

It is an arithmetic number, because the mean of its divisors is an integer number (303800).

Almost surely, 2^11967956 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 11967956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14582400).

11967956 is an abundant number, since it is smaller than the sum of its proper divisors (17196844).

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

11967956 is a wasteful number, since it uses less digits than its factorization.

11967956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 94 counting only the distinct ones).

The product of its digits is 102060, while the sum is 44.

The square root of 11967956 is about 3459.4733703268. The cubic root of 11967956 is about 228.7388822769.

The spelling of 11967956 in words is "eleven million, nine hundred sixty-seven thousand, nine hundred fifty-six".