11966516 has 6 divisors (see below), whose sum is σ = 20941410. Its totient is φ = 5983256.

The previous prime is 11966497. The next prime is 11966543. The reversal of 11966516 is 61566911.

It can be written as a sum of positive squares in only one way, i.e., 8179600 + 3786916 = 2860^2 + 1946^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1495811 + ... + 1495818.

It is an arithmetic number, because the mean of its divisors is an integer number (3490235).

Almost surely, 2^11966516 is an apocalyptic number.

It is an amenable number.

11966516 is a deficient number, since it is larger than the sum of its proper divisors (8974894).

11966516 is a wasteful number, since it uses less digits than its factorization.

11966516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991633 (or 2991631 counting only the distinct ones).

The product of its digits is 9720, while the sum is 35.

The square root of 11966516 is about 3459.2652399028. The cubic root of 11966516 is about 228.7297078559.

The spelling of 11966516 in words is "eleven million, nine hundred sixty-six thousand, five hundred sixteen".