12911368 has 8 divisors (see below), whose sum is σ = 24208830. Its totient is φ = 6455680.

The previous prime is 12911363. The next prime is 12911399. The reversal of 12911368 is 86311921.

12911368 is nontrivially palindromic in base 12 and base 13.

It can be written as a sum of positive squares in only one way, i.e., 12659364 + 252004 = 3558^2 + 502^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 806953 + ... + 806968.

Almost surely, 2^12911368 is an apocalyptic number.

It is an amenable number.

12911368 is a deficient number, since it is larger than the sum of its proper divisors (11297462).

12911368 is a wasteful number, since it uses less digits than its factorization.

12911368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613927 (or 1613923 counting only the distinct ones).

The product of its digits is 2592, while the sum is 31.

The square root of 12911368 is about 3593.2392071778. The cubic root of 12911368 is about 234.5978817999.

The spelling of 12911368 in words is "twelve million, nine hundred eleven thousand, three hundred sixty-eight".