11876861 has 2 divisors, whose sum is σ = 11876862. Its totient is φ = 11876860.

The previous prime is 11876857. The next prime is 11876869. The reversal of 11876861 is 16867811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11868025 + 8836 = 3445^2 + 94^2 .

It is a cyclic number.

It is not a de Polignac number, because 11876861 - 2² = 11876857 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11876869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5938430 + 5938431.

It is an arithmetic number, because the mean of its divisors is an integer number (5938431).

Almost surely, 2^11876861 is an apocalyptic number.

It is an amenable number.

11876861 is a deficient number, since it is larger than the sum of its proper divisors (1).

11876861 is an equidigital number, since it uses as much as digits as its factorization.

11876861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 38.

The square root of 11876861 is about 3446.2821997045. The cubic root of 11876861 is about 228.1570491283.

The spelling of 11876861 in words is "eleven million, eight hundred seventy-six thousand, eight hundred sixty-one".