12091088 has 20 divisors (see below), whose sum is σ = 23778240. Its totient is φ = 5954784.

The previous prime is 12091081. The next prime is 12091103. The reversal of 12091088 is 88019021.

It is a self number, because there is not a number n which added to its sum of digits gives 12091088.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12091081) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4568 + ... + 6711.

It is an arithmetic number, because the mean of its divisors is an integer number (1188912).

Almost surely, 2^12091088 is an apocalyptic number.

It is an amenable number.

12091088 is a deficient number, since it is larger than the sum of its proper divisors (11687152).

12091088 is a wasteful number, since it uses less digits than its factorization.

12091088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11354 (or 11348 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 12091088 is about 3477.2241802909. The cubic root of 12091088 is about 229.5206652457.

The spelling of 12091088 in words is "twelve million, ninety-one thousand, eighty-eight".