1297968 has 40 divisors (see below), whose sum is σ = 3833088. Its totient is φ = 370752.

The previous prime is 1297963. The next prime is 1297973. The reversal of 1297968 is 8697921.

It is an interprime number because it is at equal distance from previous prime (1297963) and next prime (1297973).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 1596 + ... + 2267.

2^1297968 is an apocalyptic number.

It is an amenable number.

1297968 is an abundant number, since it is smaller than the sum of its proper divisors (2535120).

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

1297968 is a wasteful number, since it uses less digits than its factorization.

1297968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881 (or 3875 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The square root of 1297968 is about 1139.2839856682. The cubic root of 1297968 is about 109.0823942849.

The spelling of 1297968 in words is "one million, two hundred ninety-seven thousand, nine hundred sixty-eight".