12911364 has 72 divisors (see below), whose sum is σ = 35151480. Its totient is φ = 3995136.

The previous prime is 12911363. The next prime is 12911399. The reversal of 12911364 is 46311921.

It can be written as a sum of positive squares in 4 ways, for example, as 2722500 + 10188864 = 1650^2 + 3192^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12911363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176832 + ... + 176904.

It is an arithmetic number, because the mean of its divisors is an integer number (488215).

Almost surely, 2^12911364 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 12911364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17575740).

12911364 is an abundant number, since it is smaller than the sum of its proper divisors (22240116).

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

12911364 is a wasteful number, since it uses less digits than its factorization.

12911364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 95 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 12911364 is about 3593.2386505769. The cubic root of 12911364 is about 234.5978575734.

The spelling of 12911364 in words is "twelve million, nine hundred eleven thousand, three hundred sixty-four".