11689830 has 24 divisors (see below), whose sum is σ = 30393792. Its totient is φ = 3117264.

The previous prime is 11689801. The next prime is 11689837. The reversal of 11689830 is 3898611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11689837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64854 + ... + 65033.

It is an arithmetic number, because the mean of its divisors is an integer number (1266408).

Almost surely, 2^11689830 is an apocalyptic number.

11689830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11689830 is an abundant number, since it is smaller than the sum of its proper divisors (18703962).

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

11689830 is a wasteful number, since it uses less digits than its factorization.

11689830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129900 (or 129897 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 11689830 is about 3419.0393387617. The cubic root of 11689830 is about 226.9530717354.

The spelling of 11689830 in words is "eleven million, six hundred eighty-nine thousand, eight hundred thirty".