1312522 has 8 divisors (see below), whose sum is σ = 2010816. Its totient is φ = 642252.

The previous prime is 1312517. The next prime is 1312523. The reversal of 1312522 is 2252131.

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 = 1312496 and 1312505.

It is not an unprimeable number, because it can be changed into a prime (1312523) 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, 6888 + ... + 7075.

It is an arithmetic number, because the mean of its divisors is an integer number (251352).

2^1312522 is an apocalyptic number.

1312522 is a deficient number, since it is larger than the sum of its proper divisors (698294).

1312522 is a wasteful number, since it uses less digits than its factorization.

1312522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14012.

The product of its digits is 120, while the sum is 16.

The square root of 1312522 is about 1145.6535252859. The cubic root of 1312522 is about 109.4885902361.

Adding to 1312522 its reverse (2252131), we get a palindrome (3564653).

The spelling of 1312522 in words is "one million, three hundred twelve thousand, five hundred twenty-two".