13520504012 has 12 divisors (see below), whose sum is σ = 23680018320. Its totient is φ = 6754784496.

The previous prime is 13520504009. The next prime is 13520504017. The reversal of 13520504012 is 21040502531.

It is a super-2 number, since 2×13520504012² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13520504017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1361312 + ... + 1371207.

It is an arithmetic number, because the mean of its divisors is an integer number (1973334860).

Almost surely, 2^13520504012 is an apocalyptic number.

It is an amenable number.

13520504012 is a deficient number, since it is larger than the sum of its proper divisors (10159514308).

13520504012 is a wasteful number, since it uses less digits than its factorization.

13520504012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733760 (or 2733758 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The spelling of 13520504012 in words is "thirteen billion, five hundred twenty million, five hundred four thousand, twelve".