1397275 has 12 divisors (see below), whose sum is σ = 1890504. Its totient is φ = 1016000.

The previous prime is 1397267. The next prime is 1397287. The reversal of 1397275 is 5727931.

It is not a de Polignac number, because 1397275 - 2³ = 1397267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1397275.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2266 + ... + 2815.

It is an arithmetic number, because the mean of its divisors is an integer number (157542).

2^1397275 is an apocalyptic number.

1397275 is a deficient number, since it is larger than the sum of its proper divisors (493229).

1397275 is a wasteful number, since it uses less digits than its factorization.

1397275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102 (or 5097 counting only the distinct ones).

The product of its digits is 13230, while the sum is 34.

The square root of 1397275 is about 1182.0638730627. The cubic root of 1397275 is about 111.7962654615.

The spelling of 1397275 in words is "one million, three hundred ninety-seven thousand, two hundred seventy-five".