1313022 has 16 divisors (see below), whose sum is σ = 2676240. Its totient is φ = 429312.

The previous prime is 1312967. The next prime is 1313041. The reversal of 1313022 is 2203131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1312989 and 1313007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1747 + ... + 2382.

It is an arithmetic number, because the mean of its divisors is an integer number (167265).

2^1313022 is an apocalyptic number.

1313022 is an abundant number, since it is smaller than the sum of its proper divisors (1363218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313022 is a wasteful number, since it uses less digits than its factorization.

1313022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1313022 is about 1145.8717205691. The cubic root of 1313022 is about 109.5024915511.

Subtracting from 1313022 its sum of digits (12), we obtain a triangular number (1313010 = T₁₆₂₀).

Adding to 1313022 its reverse (2203131), we get a palindrome (3516153).

The spelling of 1313022 in words is "one million, three hundred thirteen thousand, twenty-two".