13217153506 has 32 divisors (see below), whose sum is σ = 21930983280. Its totient is φ = 5945856000.

The previous prime is 13217153503. The next prime is 13217153519. The reversal of 13217153506 is 60535171231.

13217153506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 13212353025 + 4800481 = 114945^2 + 2191^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (13217153503) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33226 + ... + 165946.

Almost surely, 2^13217153506 is an apocalyptic number.

13217153506 is a deficient number, since it is larger than the sum of its proper divisors (8713829774).

13217153506 is a wasteful number, since it uses less digits than its factorization.

13217153506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132870.

The product of its (nonzero) digits is 18900, while the sum is 34.

The spelling of 13217153506 in words is "thirteen billion, two hundred seventeen million, one hundred fifty-three thousand, five hundred six".