14001213517 has 2 divisors, whose sum is σ = 14001213518. Its totient is φ = 14001213516.

The previous prime is 14001213511. The next prime is 14001213547. The reversal of 14001213517 is 71531210041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13582970116 + 418243401 = 116546^2 + 20451^2 .

It is a cyclic number.

It is not a de Polignac number, because 14001213517 - 2¹⁹ = 14000689229 is a prime.

It is a super-3 number, since 3×14001213517³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14001213491 and 14001213500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14001213511) 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 as a sum of consecutive naturals, namely, 7000606758 + 7000606759.

It is an arithmetic number, because the mean of its divisors is an integer number (7000606759).

Almost surely, 2^14001213517 is an apocalyptic number.

It is an amenable number.

14001213517 is a deficient number, since it is larger than the sum of its proper divisors (1).

14001213517 is an equidigital number, since it uses as much as digits as its factorization.

14001213517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

Adding to 14001213517 its reverse (71531210041), we get a palindrome (85532423558).

The spelling of 14001213517 in words is "fourteen billion, one million, two hundred thirteen thousand, five hundred seventeen".