1297944 has 40 divisors (see below), whose sum is σ = 3637260. Its totient is φ = 432432.

The previous prime is 1297927. The next prime is 1297963. The reversal of 1297944 is 4497921.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1297899 and 1297908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 354 + ... + 1649.

2^1297944 is an apocalyptic number.

It is an amenable number.

1297944 is an abundant number, since it is smaller than the sum of its proper divisors (2339316).

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

1297944 is a wasteful number, since it uses less digits than its factorization.

1297944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021 (or 2008 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1297944 is about 1139.2734526882. The cubic root of 1297944 is about 109.0817219536.

The spelling of 1297944 in words is "one million, two hundred ninety-seven thousand, nine hundred forty-four".