11695890 has 32 divisors (see below), whose sum is σ = 28226880. Its totient is φ = 3101504.

The previous prime is 11695889. The next prime is 11695907. The reversal of 11695890 is 9859611.

11695890 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 15 ways as a sum of consecutive naturals, for example, 4921 + ... + 6899.

It is an arithmetic number, because the mean of its divisors is an integer number (882090).

Almost surely, 2^11695890 is an apocalyptic number.

11695890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11695890 is an abundant number, since it is smaller than the sum of its proper divisors (16530990).

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

11695890 is a wasteful number, since it uses less digits than its factorization.

11695890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186.

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 11695890 is about 3419.9254377837. The cubic root of 11695890 is about 226.9922824005.

The spelling of 11695890 in words is "eleven million, six hundred ninety-five thousand, eight hundred ninety".