1313822 has 8 divisors (see below), whose sum is σ = 2016696. Its totient is φ = 641592.

The previous prime is 1313813. The next prime is 1313827. The reversal of 1313822 is 2283131.

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

It is a super-2 number, since 2×1313822² = 3452256495368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1313794 and 1313803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7553 + ... + 7724.

It is an arithmetic number, because the mean of its divisors is an integer number (252087).

2^1313822 is an apocalyptic number.

1313822 is a deficient number, since it is larger than the sum of its proper divisors (702874).

1313822 is a wasteful number, since it uses less digits than its factorization.

1313822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15322.

The product of its digits is 288, while the sum is 20.

The square root of 1313822 is about 1146.2207466278. The cubic root of 1313822 is about 109.5247263163.

Adding to 1313822 its reverse (2283131), we get a palindrome (3596953).

The spelling of 1313822 in words is "one million, three hundred thirteen thousand, eight hundred twenty-two".