13312043 has 2 divisors, whose sum is σ = 13312044. Its totient is φ = 13312042.

The previous prime is 13312031. The next prime is 13312067. The reversal of 13312043 is 34021331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13312043 - 2⁸ = 13311787 is a prime.

It is not a weakly prime, because it can be changed into another prime (13312093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6656021 + 6656022.

It is an arithmetic number, because the mean of its divisors is an integer number (6656022).

Almost surely, 2^13312043 is an apocalyptic number.

13312043 is a deficient number, since it is larger than the sum of its proper divisors (1).

13312043 is an equidigital number, since it uses as much as digits as its factorization.

13312043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 13312043 is about 3648.5672530461. The cubic root of 13312043 is about 236.9999406553. Note that the first 4 decimals are identical.

Adding to 13312043 its reverse (34021331), we get a palindrome (47333374).

The spelling of 13312043 in words is "thirteen million, three hundred twelve thousand, forty-three".