13244687 has 2 divisors, whose sum is σ = 13244688. Its totient is φ = 13244686.

The previous prime is 13244669. The next prime is 13244773. The reversal of 13244687 is 78644231.

It is a weak prime.

It is an emirp because it is prime and its reverse (78644231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13244687 - 2⁸ = 13244431 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13244087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6622343 + 6622344.

It is an arithmetic number, because the mean of its divisors is an integer number (6622344).

Almost surely, 2^13244687 is an apocalyptic number.

13244687 is a deficient number, since it is larger than the sum of its proper divisors (1).

13244687 is an equidigital number, since it uses as much as digits as its factorization.

13244687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 35.

The square root of 13244687 is about 3639.3250747907. The cubic root of 13244687 is about 236.5995421177.

It can be divided in two parts, 13244 and 687, that added together give a palindrome (13931).

The spelling of 13244687 in words is "thirteen million, two hundred forty-four thousand, six hundred eighty-seven".