13221245655417 has 16 divisors (see below), whose sum is σ = 17639831486592. Its totient is φ = 8808413577600.

The previous prime is 13221245655403. The next prime is 13221245655437. The reversal of 13221245655417 is 71455654212231.

13221245655417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13221245655417 - 2⁶ = 13221245655353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13221245655437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29928292 + ... + 30366842.

It is an arithmetic number, because the mean of its divisors is an integer number (1102489467912).

Almost surely, 2^{13221245655417} is an apocalyptic number.

It is an amenable number.

13221245655417 is a deficient number, since it is larger than the sum of its proper divisors (4418585831175).

13221245655417 is a wasteful number, since it uses less digits than its factorization.

13221245655417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445088.

The product of its digits is 2016000, while the sum is 48.

Adding to 13221245655417 its reverse (71455654212231), we get a palindrome (84676899867648).

The spelling of 13221245655417 in words is "thirteen trillion, two hundred twenty-one billion, two hundred forty-five million, six hundred fifty-five thousand, four hundred seventeen".