13120424529 has 16 divisors (see below), whose sum is σ = 17606356992. Its totient is φ = 8690877008.

The previous prime is 13120424507. The next prime is 13120424533. The reversal of 13120424529 is 92542402131.

It is a cyclic number.

It is not a de Polignac number, because 13120424529 - 2¹² = 13120420433 is a prime.

It is a super-3 number, since 3×13120424529³ (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13120424529.

It is not an unprimeable number, because it can be changed into a prime (13120424029) 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, 323392 + ... + 361694.

It is an arithmetic number, because the mean of its divisors is an integer number (1100397312).

Almost surely, 2^13120424529 is an apocalyptic number.

It is an amenable number.

13120424529 is a deficient number, since it is larger than the sum of its proper divisors (4485932463).

13120424529 is a wasteful number, since it uses less digits than its factorization.

13120424529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39036.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 13120424529 in words is "thirteen billion, one hundred twenty million, four hundred twenty-four thousand, five hundred twenty-nine".