11881266 has 16 divisors (see below), whose sum is σ = 25160544. Its totient is φ = 3727424.

The previous prime is 11881241. The next prime is 11881279. The reversal of 11881266 is 66218811.

11881266 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58140 + ... + 58343.

It is an arithmetic number, because the mean of its divisors is an integer number (1572534).

Almost surely, 2^11881266 is an apocalyptic number.

11881266 is an abundant number, since it is smaller than the sum of its proper divisors (13279278).

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

11881266 is a wasteful number, since it uses less digits than its factorization.

11881266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116505.

The product of its digits is 4608, while the sum is 33.

The square root of 11881266 is about 3446.9212349574. The cubic root of 11881266 is about 228.1852526403.

The spelling of 11881266 in words is "eleven million, eight hundred eighty-one thousand, two hundred sixty-six".