1312194 has 16 divisors (see below), whose sum is σ = 2826432. Its totient is φ = 403728.

The previous prime is 1312189. The next prime is 1312211. The reversal of 1312194 is 4912131.

It is a self number, because there is not a number n which added to its sum of digits gives 1312194.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8334 + ... + 8489.

It is an arithmetic number, because the mean of its divisors is an integer number (176652).

2^1312194 is an apocalyptic number.

1312194 is an abundant number, since it is smaller than the sum of its proper divisors (1514238).

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

1312194 is a wasteful number, since it uses less digits than its factorization.

1312194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16841.

The product of its digits is 216, while the sum is 21.

The square root of 1312194 is about 1145.5103666052. The cubic root of 1312194 is about 109.4794690558.

The spelling of 1312194 in words is "one million, three hundred twelve thousand, one hundred ninety-four".