1312242 has 32 divisors (see below), whose sum is σ = 2823552. Its totient is φ = 405504.

The previous prime is 1312237. The next prime is 1312277. The reversal of 1312242 is 2422131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4978 + ... + 5234.

It is an arithmetic number, because the mean of its divisors is an integer number (88236).

2^1312242 is an apocalyptic number.

1312242 is an abundant number, since it is smaller than the sum of its proper divisors (1511310).

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

1312242 is a wasteful number, since it uses less digits than its factorization.

1312242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322.

The product of its digits is 96, while the sum is 15.

The square root of 1312242 is about 1145.5313177735. The cubic root of 1312242 is about 109.4808039576.

Adding to 1312242 its reverse (2422131), we get a palindrome (3734373).

The spelling of 1312242 in words is "one million, three hundred twelve thousand, two hundred forty-two".