11689910 has 16 divisors (see below), whose sum is σ = 21087216. Its totient is φ = 4665888.

The previous prime is 11689903. The next prime is 11689913. The reversal of 11689910 is 1998611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11689913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5177 + ... + 7083.

It is an arithmetic number, because the mean of its divisors is an integer number (1317951).

Almost surely, 2^11689910 is an apocalyptic number.

11689910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11689910 is a deficient number, since it is larger than the sum of its proper divisors (9397306).

11689910 is a wasteful number, since it uses less digits than its factorization.

11689910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527.

The product of its (nonzero) digits is 3888, while the sum is 35.

The square root of 11689910 is about 3419.0510379344. The cubic root of 11689910 is about 226.9535894562.

The spelling of 11689910 in words is "eleven million, six hundred eighty-nine thousand, nine hundred ten".