13225406236 has 12 divisors (see below), whose sum is σ = 26450812528. Its totient is φ = 5668031232.

The previous prime is 13225406197. The next prime is 13225406237. The reversal of 13225406236 is 63260452231.

13225406236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

13225406236 is an admirable number.

It is a super-2 number, since 2×13225406236² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13225406237) 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 3 ways as a sum of consecutive naturals, for example, 236167941 + ... + 236167996.

Almost surely, 2^13225406236 is an apocalyptic number.

It is an amenable number.

13225406236 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13225406236 is a wasteful number, since it uses less digits than its factorization.

13225406236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472335948 (or 472335946 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 13225406236 its reverse (63260452231), we get a palindrome (76485858467).

The spelling of 13225406236 in words is "thirteen billion, two hundred twenty-five million, four hundred six thousand, two hundred thirty-six".