1312022 has 8 divisors (see below), whose sum is σ = 1988616. Its totient is φ = 649152.

The previous prime is 1312019. The next prime is 1312027. The reversal of 1312022 is 2202131.

It is a happy number.

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

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 1311994 and 1312012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3188 + ... + 3575.

It is an arithmetic number, because the mean of its divisors is an integer number (248577).

2^1312022 is an apocalyptic number.

1312022 is a deficient number, since it is larger than the sum of its proper divisors (676594).

1312022 is an equidigital number, since it uses as much as digits as its factorization.

1312022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6862.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1312022 is about 1145.4352884384. The cubic root of 1312022 is about 109.4746853903.

Adding to 1312022 its reverse (2202131), we get a palindrome (3514153).

The spelling of 1312022 in words is "one million, three hundred twelve thousand, twenty-two".