13227451205 has 8 divisors (see below), whose sum is σ = 16806643992. Its totient is φ = 9959492608.

The previous prime is 13227451199. The next prime is 13227451207. The reversal of 13227451205 is 50215472231.

It can be written as a sum of positive squares in 4 ways, for example, as 1141966849 + 12085484356 = 33793^2 + 109934^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13227451205 - 2¹² = 13227447109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13227451207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77808452 + ... + 77808621.

It is an arithmetic number, because the mean of its divisors is an integer number (2100830499).

Almost surely, 2^13227451205 is an apocalyptic number.

It is an amenable number.

13227451205 is a deficient number, since it is larger than the sum of its proper divisors (3579192787).

13227451205 is a wasteful number, since it uses less digits than its factorization.

13227451205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155617095.

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 13227451205 in words is "thirteen billion, two hundred twenty-seven million, four hundred fifty-one thousand, two hundred five".