13021368 has 16 divisors (see below), whose sum is σ = 32553480. Its totient is φ = 4340448.

The previous prime is 13021367. The next prime is 13021387. The reversal of 13021368 is 86312031.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 542557 = 13021368 / (1 + 3 + 0 + 2 + 1 + 3 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021367) 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 in 3 ways as a sum of consecutive naturals, for example, 271255 + ... + 271302.

Almost surely, 2^13021368 is an apocalyptic number.

It is an amenable number.

13021368 is an abundant number, since it is smaller than the sum of its proper divisors (19532112).

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

13021368 is a wasteful number, since it uses less digits than its factorization.

13021368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542566 (or 542562 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 13021368 is about 3608.5132672612. The cubic root of 13021368 is about 235.2622272760.

Adding to 13021368 its reverse (86312031), we get a palindrome (99333399).

The spelling of 13021368 in words is "thirteen million, twenty-one thousand, three hundred sixty-eight".