11590590 has 96 divisors (see below), whose sum is σ = 31868928. Its totient is φ = 2692800.

The previous prime is 11590573. The next prime is 11590591. The reversal of 11590590 is 9509511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11590591) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112479 + ... + 112581.

It is an arithmetic number, because the mean of its divisors is an integer number (331968).

Almost surely, 2^11590590 is an apocalyptic number.

11590590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11590590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15934464).

11590590 is an abundant number, since it is smaller than the sum of its proper divisors (20278338).

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

11590590 is a wasteful number, since it uses less digits than its factorization.

11590590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 30.

The square root of 11590590 is about 3404.4955573477. The cubic root of 11590590 is about 226.3090116005.

The spelling of 11590590 in words is "eleven million, five hundred ninety thousand, five hundred ninety".