13315851 has 6 divisors (see below), whose sum is σ = 19234020. Its totient is φ = 8877228.

The previous prime is 13315849. The next prime is 13315867. The reversal of 13315851 is 15851331.

13315851 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13315851 - 2¹ = 13315849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13315831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 739761 + ... + 739778.

It is an arithmetic number, because the mean of its divisors is an integer number (3205670).

Almost surely, 2^13315851 is an apocalyptic number.

13315851 is a deficient number, since it is larger than the sum of its proper divisors (5918169).

13315851 is a wasteful number, since it uses less digits than its factorization.

13315851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479545 (or 1479542 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 13315851 is about 3649.0890644105. The cubic root of 13315851 is about 237.0225369798.

The spelling of 13315851 in words is "thirteen million, three hundred fifteen thousand, eight hundred fifty-one".