11587090 has 16 divisors (see below), whose sum is σ = 20950488. Its totient is φ = 4614016.

The previous prime is 11587073. The next prime is 11587091. The reversal of 11587090 is 9078511.

It can be written as a sum of positive squares in 4 ways, for example, as 8450649 + 3136441 = 2907^2 + 1771^2 .

It is not an unprimeable number, because it can be changed into a prime (11587091) 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, 157 + ... + 4816.

Almost surely, 2^11587090 is an apocalyptic number.

11587090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11587090 is a deficient number, since it is larger than the sum of its proper divisors (9363398).

11587090 is a wasteful number, since it uses less digits than its factorization.

11587090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5213.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 11587090 is about 3403.9814923116. The cubic root of 11587090 is about 226.2862298645.

The spelling of 11587090 in words is "eleven million, five hundred eighty-seven thousand, ninety".