1312322 has 8 divisors (see below), whose sum is σ = 2147472. Its totient is φ = 596500.

The previous prime is 1312319. The next prime is 1312331. The reversal of 1312322 is 2232131.

Added to its reverse (2232131) it gives a triangular number (3544453 = T₂₆₆₂).

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1312297 and 1312306.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29804 + ... + 29847.

It is an arithmetic number, because the mean of its divisors is an integer number (268434).

2^1312322 is an apocalyptic number.

1312322 is a deficient number, since it is larger than the sum of its proper divisors (835150).

1312322 is a wasteful number, since it uses less digits than its factorization.

1312322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59664.

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

The square root of 1312322 is about 1145.5662355359. The cubic root of 1312322 is about 109.4830287216.

Adding to 1312322 its reverse (2232131), we get a palindrome (3544453).

The spelling of 1312322 in words is "one million, three hundred twelve thousand, three hundred twenty-two".