11605090 has 32 divisors (see below), whose sum is σ = 24024960. Its totient is φ = 3953664.

The previous prime is 11605081. The next prime is 11605093. The reversal of 11605090 is 9050611.

It is a super-2 number, since 2×11605090² = 269356227816200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11605093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13081 + ... + 13939.

It is an arithmetic number, because the mean of its divisors is an integer number (750780).

Almost surely, 2^11605090 is an apocalyptic number.

11605090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11605090 is an abundant number, since it is smaller than the sum of its proper divisors (12419870).

11605090 is a wasteful number, since it uses less digits than its factorization.

11605090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 11605090 is about 3406.6244289619. The cubic root of 11605090 is about 226.4033442509.

The spelling of 11605090 in words is "eleven million, six hundred five thousand, ninety".