1312193 has 4 divisors (see below), whose sum is σ = 1340160. Its totient is φ = 1284228.

The previous prime is 1312189. The next prime is 1312211. The reversal of 1312193 is 3912131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1312193 - 2² = 1312189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1312133) 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, 13913 + ... + 14006.

It is an arithmetic number, because the mean of its divisors is an integer number (335040).

2^1312193 is an apocalyptic number.

It is an amenable number.

1312193 is a deficient number, since it is larger than the sum of its proper divisors (27967).

1312193 is an equidigital number, since it uses as much as digits as its factorization.

1312193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27966.

The product of its digits is 162, while the sum is 20.

The square root of 1312193 is about 1145.5099301185. The cubic root of 1312193 is about 109.4794412450.

The spelling of 1312193 in words is "one million, three hundred twelve thousand, one hundred ninety-three".