1397248 has 20 divisors (see below), whose sum is σ = 2792790. Its totient is φ = 698368.

The previous prime is 1397233. The next prime is 1397251. The reversal of 1397248 is 8427931.

It can be written as a sum of positive squares in only one way, i.e., 831744 + 565504 = 912^2 + 752^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 853 + ... + 1876.

2^1397248 is an apocalyptic number.

It is an amenable number.

1397248 is a deficient number, since it is larger than the sum of its proper divisors (1395542).

1397248 is an frugal number, since it uses more digits than its factorization.

1397248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747 (or 2731 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 1397248 is about 1182.0524523049. The cubic root of 1397248 is about 111.7955453650.

The spelling of 1397248 in words is "one million, three hundred ninety-seven thousand, two hundred forty-eight".