11876661 has 12 divisors (see below), whose sum is σ = 17219488. Its totient is φ = 7888104.

The previous prime is 11876651. The next prime is 11876663. The reversal of 11876661 is 16667811.

It is not a de Polignac number, because 11876661 - 2⁶ = 11876597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11876663) 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 11 ways as a sum of consecutive naturals, for example, 216 + ... + 4878.

Almost surely, 2^11876661 is an apocalyptic number.

It is an amenable number.

11876661 is a deficient number, since it is larger than the sum of its proper divisors (5342827).

11876661 is a wasteful number, since it uses less digits than its factorization.

11876661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4952 (or 4949 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 11876661 is about 3446.2531828059. The cubic root of 11876661 is about 228.1557684401.

The spelling of 11876661 in words is "eleven million, eight hundred seventy-six thousand, six hundred sixty-one".