12911088 has 80 divisors (see below), whose sum is σ = 34997760. Its totient is φ = 4098048.

The previous prime is 12911081. The next prime is 12911099. The reversal of 12911088 is 88011921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12911081) 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, 133056 + ... + 133152.

It is an arithmetic number, because the mean of its divisors is an integer number (437472).

Almost surely, 2^12911088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12911088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17498880).

12911088 is an abundant number, since it is smaller than the sum of its proper divisors (22086672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12911088 is a wasteful number, since it uses less digits than its factorization.

12911088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 30.

The square root of 12911088 is about 3593.2002449070. The cubic root of 12911088 is about 234.5961859331.

The spelling of 12911088 in words is "twelve million, nine hundred eleven thousand, eighty-eight".