11866090 has 16 divisors (see below), whose sum is σ = 21814272. Its totient is φ = 4645264.

The previous prime is 11866081. The next prime is 11866109. The reversal of 11866090 is 9066811.

It is a happy number.

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, 12154 + ... + 13093.

It is an arithmetic number, because the mean of its divisors is an integer number (1363392).

Almost surely, 2^11866090 is an apocalyptic number.

11866090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11866090 is a deficient number, since it is larger than the sum of its proper divisors (9948182).

11866090 is a wasteful number, since it uses less digits than its factorization.

11866090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25301.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 11866090 is about 3444.7191467520. The cubic root of 11866090 is about 228.0880571941.

The spelling of 11866090 in words is "eleven million, eight hundred sixty-six thousand, ninety".