11487590 has 32 divisors (see below), whose sum is σ = 22014720. Its totient is φ = 4303584.

The previous prime is 11487589. The next prime is 11487607. The reversal of 11487590 is 9578411.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11487590.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19277 + ... + 19863.

It is an arithmetic number, because the mean of its divisors is an integer number (687960).

Almost surely, 2^11487590 is an apocalyptic number.

11487590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11487590 is a deficient number, since it is larger than the sum of its proper divisors (10527130).

11487590 is a wasteful number, since it uses less digits than its factorization.

11487590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 11487590 is about 3389.3347429842. The cubic root of 11487590 is about 225.6366495419.

The spelling of 11487590 in words is "eleven million, four hundred eighty-seven thousand, five hundred ninety".