1297947 has 16 divisors (see below), whose sum is σ = 2082560. Its totient is φ = 702432.

The previous prime is 1297927. The next prime is 1297963. The reversal of 1297947 is 7497921.

It is not a de Polignac number, because 1297947 - 2¹⁴ = 1281563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1297927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1228 + ... + 2025.

It is an arithmetic number, because the mean of its divisors is an integer number (130160).

2^1297947 is an apocalyptic number.

1297947 is a deficient number, since it is larger than the sum of its proper divisors (784613).

1297947 is a wasteful number, since it uses less digits than its factorization.

1297947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282.

The product of its digits is 31752, while the sum is 39.

The square root of 1297947 is about 1139.2747693160. The cubic root of 1297947 is about 109.0818059955.

The spelling of 1297947 in words is "one million, two hundred ninety-seven thousand, nine hundred forty-seven".