13124421017 has 8 divisors (see below), whose sum is σ = 13144616520. Its totient is φ = 13104241920.

The previous prime is 13124421001. The next prime is 13124421029. The reversal of 13124421017 is 71012442131.

It can be written as a sum of positive squares in 4 ways, for example, as 3796531456 + 9327889561 = 61616^2 + 96581^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13124421017 - 2⁴ = 13124421001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13124421077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3458273 + ... + 3462065.

It is an arithmetic number, because the mean of its divisors is an integer number (1643077065).

Almost surely, 2^13124421017 is an apocalyptic number.

It is an amenable number.

13124421017 is a deficient number, since it is larger than the sum of its proper divisors (20195503).

13124421017 is a wasteful number, since it uses less digits than its factorization.

13124421017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8203.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 13124421017 its reverse (71012442131), we get a palindrome (84136863148).

The spelling of 13124421017 in words is "thirteen billion, one hundred twenty-four million, four hundred twenty-one thousand, seventeen".