11776890 has 32 divisors (see below), whose sum is σ = 28359360. Its totient is φ = 3129984.

The previous prime is 11776889. The next prime is 11776907. The reversal of 11776890 is 9867711.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13281 + ... + 14139.

It is an arithmetic number, because the mean of its divisors is an integer number (886230).

Almost surely, 2^11776890 is an apocalyptic number.

11776890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11776890 is an abundant number, since it is smaller than the sum of its proper divisors (16582470).

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

11776890 is a wasteful number, since it uses less digits than its factorization.

11776890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326.

The product of its (nonzero) digits is 21168, while the sum is 39.

The square root of 11776890 is about 3431.7473683242. The cubic root of 11776890 is about 227.5150897691.

The spelling of 11776890 in words is "eleven million, seven hundred seventy-six thousand, eight hundred ninety".