13506247356 has 96 divisors (see below), whose sum is σ = 38446571520. Its totient is φ = 3604305600.

The previous prime is 13506247309. The next prime is 13506247393. The reversal of 13506247356 is 65374260531.

13506247356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53721 + ... + 172911.

It is an arithmetic number, because the mean of its divisors is an integer number (400485120).

Almost surely, 2^13506247356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13506247356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19223285760).

13506247356 is an abundant number, since it is smaller than the sum of its proper divisors (24940324164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13506247356 is a wasteful number, since it uses less digits than its factorization.

13506247356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119295 (or 119293 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 42.

The spelling of 13506247356 in words is "thirteen billion, five hundred six million, two hundred forty-seven thousand, three hundred fifty-six".