13212022 has 4 divisors (see below), whose sum is σ = 19818036. Its totient is φ = 6606010.

The previous prime is 13212013. The next prime is 13212053. The reversal of 13212022 is 22021231.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 13211993 and 13212011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3303004 + ... + 3303007.

It is an arithmetic number, because the mean of its divisors is an integer number (4954509).

Almost surely, 2^13212022 is an apocalyptic number.

13212022 is a deficient number, since it is larger than the sum of its proper divisors (6606014).

13212022 is an equidigital number, since it uses as much as digits as its factorization.

13212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6606013.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 13212022 is about 3634.8345216805. The cubic root of 13212022 is about 236.4048757253.

Adding to 13212022 its reverse (22021231), we get a palindrome (35233253).

The spelling of 13212022 in words is "thirteen million, two hundred twelve thousand, twenty-two".