1297774 has 4 divisors (see below), whose sum is σ = 1946664. Its totient is φ = 648886.

The previous prime is 1297771. The next prime is 1297781. The reversal of 1297774 is 4777921.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324442 + ... + 324445.

It is an arithmetic number, because the mean of its divisors is an integer number (486666).

2^1297774 is an apocalyptic number.

1297774 is a deficient number, since it is larger than the sum of its proper divisors (648890).

1297774 is an equidigital number, since it uses as much as digits as its factorization.

1297774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648889.

The product of its digits is 24696, while the sum is 37.

The square root of 1297774 is about 1139.1988412915. The cubic root of 1297774 is about 109.0769593695.

The spelling of 1297774 in words is "one million, two hundred ninety-seven thousand, seven hundred seventy-four".