1297716 has 36 divisors (see below), whose sum is σ = 3523968. Its totient is φ = 370608.

The previous prime is 1297693. The next prime is 1297727. The reversal of 1297716 is 6177921.

It is an Ulam number.

It is a congruent number.

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 in 11 ways as a sum of consecutive naturals, for example, 516 + ... + 1691.

It is an arithmetic number, because the mean of its divisors is an integer number (97888).

2^1297716 is an apocalyptic number.

It is an amenable number.

1297716 is an abundant number, since it is smaller than the sum of its proper divisors (2226252).

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

1297716 is a wasteful number, since it uses less digits than its factorization.

1297716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228 (or 2219 counting only the distinct ones).

The product of its digits is 5292, while the sum is 33.

The square root of 1297716 is about 1139.1733845205. The cubic root of 1297716 is about 109.0753343927.

The spelling of 1297716 in words is "one million, two hundred ninety-seven thousand, seven hundred sixteen".