1297712 has 40 divisors (see below), whose sum is σ = 2874816. Its totient is φ = 562176.

The previous prime is 1297693. The next prime is 1297727. The reversal of 1297712 is 2177921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3353 + ... + 3719.

2^1297712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1297712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1437408).

1297712 is an abundant number, since it is smaller than the sum of its proper divisors (1577104).

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

1297712 is a wasteful number, since it uses less digits than its factorization.

1297712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 399 counting only the distinct ones).

The product of its digits is 1764, while the sum is 29.

The square root of 1297712 is about 1139.1716288602. The cubic root of 1297712 is about 109.0752223235.

The spelling of 1297712 in words is "one million, two hundred ninety-seven thousand, seven hundred twelve".