1291714 has 4 divisors (see below), whose sum is σ = 1937574. Its totient is φ = 645856.

The previous prime is 1291691. The next prime is 1291783. The reversal of 1291714 is 4171921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 970225 + 321489 = 985^2 + 567^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 322927 + ... + 322930.

2^1291714 is an apocalyptic number.

1291714 is a deficient number, since it is larger than the sum of its proper divisors (645860).

1291714 is an equidigital number, since it uses as much as digits as its factorization.

1291714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645859.

The product of its digits is 504, while the sum is 25.

The square root of 1291714 is about 1136.5359651151. The cubic root of 1291714 is about 108.9069148894.

The spelling of 1291714 in words is "one million, two hundred ninety-one thousand, seven hundred fourteen".