11312090 has 32 divisors (see below), whose sum is σ = 21461760. Its totient is φ = 4284544.

The previous prime is 11312071. The next prime is 11312099. The reversal of 11312090 is 9021311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11312099) 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, 31331 + ... + 31689.

It is an arithmetic number, because the mean of its divisors is an integer number (670680).

Almost surely, 2^11312090 is an apocalyptic number.

11312090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312090 is a deficient number, since it is larger than the sum of its proper divisors (10149670).

11312090 is a wasteful number, since it uses less digits than its factorization.

11312090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 11312090 is about 3363.3450610962. The cubic root of 11312090 is about 224.4817041222.

The spelling of 11312090 in words is "eleven million, three hundred twelve thousand, ninety".