11976516 has 36 divisors (see below), whose sum is σ = 30850092. Its totient is φ = 3916224.

The previous prime is 11976511. The next prime is 11976533. The reversal of 11976516 is 61567911.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10536516 + 1440000 = 3246^2 + 1200^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (11976511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1231 + ... + 5046.

It is an arithmetic number, because the mean of its divisors is an integer number (856947).

Almost surely, 2^11976516 is an apocalyptic number.

It is an amenable number.

11976516 is an abundant number, since it is smaller than the sum of its proper divisors (18873576).

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

11976516 is a wasteful number, since it uses less digits than its factorization.

11976516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6340 (or 6335 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 11976516 is about 3460.7103317094. The cubic root of 11976516 is about 228.7934039290.

Adding to 11976516 its product of digits (11340), we get a triangular number (11987856 = T₄₈₉₆).

The spelling of 11976516 in words is "eleven million, nine hundred seventy-six thousand, five hundred sixteen".