13312105 has 16 divisors (see below), whose sum is σ = 17020800. Its totient is φ = 9960192.

The previous prime is 13312093. The next prime is 13312109. The reversal of 13312105 is 50121331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13312105 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13312109) 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, 16522 + ... + 17308.

It is an arithmetic number, because the mean of its divisors is an integer number (1063800).

Almost surely, 2^13312105 is an apocalyptic number.

It is an amenable number.

13312105 is a deficient number, since it is larger than the sum of its proper divisors (3708695).

13312105 is a wasteful number, since it uses less digits than its factorization.

13312105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 13312105 is about 3648.5757495220. The cubic root of 13312105 is about 237.0003085921. Note that the first 3 decimals are identical.

Adding to 13312105 its reverse (50121331), we get a palindrome (63433436).

The spelling of 13312105 in words is "thirteen million, three hundred twelve thousand, one hundred five".