13212227 has 8 divisors (see below), whose sum is σ = 15122016. Its totient is φ = 11308032.

The previous prime is 13212181. The next prime is 13212229. The reversal of 13212227 is 72221231.

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 13212227 - 2¹² = 13208131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13212199 and 13212208.

It is not an unprimeable number, because it can be changed into a prime (13212229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7253 + ... + 8889.

It is an arithmetic number, because the mean of its divisors is an integer number (1890252).

Almost surely, 2^13212227 is an apocalyptic number.

13212227 is a deficient number, since it is larger than the sum of its proper divisors (1909789).

13212227 is a wasteful number, since it uses less digits than its factorization.

13212227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797.

The product of its digits is 336, while the sum is 20.

The square root of 13212227 is about 3634.8627209291. The cubic root of 13212227 is about 236.4060984185.

Adding to 13212227 its reverse (72221231), we get a palindrome (85433458).

The spelling of 13212227 in words is "thirteen million, two hundred twelve thousand, two hundred twenty-seven".