13520321514213 has 16 divisors (see below), whose sum is σ = 18151973054976. Its totient is φ = 8951227646400.

The previous prime is 13520321514127. The next prime is 13520321514247. The reversal of 13520321514213 is 31241512302531.

It is a happy number.

It is not a de Polignac number, because 13520321514213 - 2¹⁰ = 13520321513189 is a prime.

It is a super-2 number, since 2×13520321514213² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13520321515213) 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, 14397013 + ... + 15307338.

It is an arithmetic number, because the mean of its divisors is an integer number (1134498315936).

Almost surely, 2^{13520321514213} is an apocalyptic number.

It is an amenable number.

13520321514213 is a deficient number, since it is larger than the sum of its proper divisors (4631651540763).

13520321514213 is a wasteful number, since it uses less digits than its factorization.

13520321514213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29705404.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 13520321514213 its reverse (31241512302531), we get a palindrome (44761833816744).

The spelling of 13520321514213 in words is "thirteen trillion, five hundred twenty billion, three hundred twenty-one million, five hundred fourteen thousand, two hundred thirteen".