1297960 has 32 divisors (see below), whose sum is σ = 3002760. Its totient is φ = 504576.

The previous prime is 1297927. The next prime is 1297963. The reversal of 1297960 is 697921.

It can be written as a sum of positive squares in 4 ways, for example, as 1295044 + 2916 = 1138^2 + 54^2 .

It is not an unprimeable number, because it can be changed into a prime (1297963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1042 + ... + 1918.

2^1297960 is an apocalyptic number.

1297960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1297960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1501380).

1297960 is an abundant number, since it is smaller than the sum of its proper divisors (1704800).

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

1297960 is a wasteful number, since it uses less digits than its factorization.

1297960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 1297960 is about 1139.2804746857. The cubic root of 1297960 is about 109.0821701754.

The spelling of 1297960 in words is "one million, two hundred ninety-seven thousand, nine hundred sixty".