13215386654 has 16 divisors (see below), whose sum is σ = 21260108880. Its totient is φ = 6141807360.

The previous prime is 13215386651. The next prime is 13215386669. The reversal of 13215386654 is 45668351231.

It is a happy number.

13215386654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13215386651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3278867 + ... + 3282894.

It is an arithmetic number, because the mean of its divisors is an integer number (1328756805).

Almost surely, 2^13215386654 is an apocalyptic number.

13215386654 is a deficient number, since it is larger than the sum of its proper divisors (8044722226).

13215386654 is a wasteful number, since it uses less digits than its factorization.

13215386654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561835.

The product of its digits is 518400, while the sum is 44.

The spelling of 13215386654 in words is "thirteen billion, two hundred fifteen million, three hundred eighty-six thousand, six hundred fifty-four".