11990574 has 12 divisors (see below), whose sum is σ = 25979616. Its totient is φ = 3996852.

The previous prime is 11990569. The next prime is 11990597. The reversal of 11990574 is 47509911.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 333054 + ... + 333089.

It is an arithmetic number, because the mean of its divisors is an integer number (2164968).

Almost surely, 2^11990574 is an apocalyptic number.

11990574 is an abundant number, since it is smaller than the sum of its proper divisors (13989042).

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

11990574 is a wasteful number, since it uses less digits than its factorization.

11990574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666151 (or 666148 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 11990574 is about 3462.7408219501. The cubic root of 11990574 is about 228.8828879391.

The spelling of 11990574 in words is "eleven million, nine hundred ninety thousand, five hundred seventy-four".