13312022 has 4 divisors (see below), whose sum is σ = 19968036. Its totient is φ = 6656010.

The previous prime is 13312021. The next prime is 13312031. The reversal of 13312022 is 22021331.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 13311988 and 13312006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3328004 + ... + 3328007.

It is an arithmetic number, because the mean of its divisors is an integer number (4992009).

Almost surely, 2^13312022 is an apocalyptic number.

13312022 is a deficient number, since it is larger than the sum of its proper divisors (6656014).

13312022 is an equidigital number, since it uses as much as digits as its factorization.

13312022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6656013.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13312022 is about 3648.5643752029. The cubic root of 13312022 is about 236.9998160312. Note that the first 3 decimals are identical.

Adding to 13312022 its reverse (22021331), we get a palindrome (35333353).

The spelling of 13312022 in words is "thirteen million, three hundred twelve thousand, twenty-two".