1397265 has 8 divisors (see below), whose sum is σ = 2235648. Its totient is φ = 745200.

The previous prime is 1397261. The next prime is 1397267. The reversal of 1397265 is 5627931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1397265 - 2² = 1397261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1397261) 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, 46561 + ... + 46590.

It is an arithmetic number, because the mean of its divisors is an integer number (279456).

2^1397265 is an apocalyptic number.

1397265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1397265 is a deficient number, since it is larger than the sum of its proper divisors (838383).

1397265 is an equidigital number, since it uses as much as digits as its factorization.

1397265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93159.

The product of its digits is 11340, while the sum is 33.

The square root of 1397265 is about 1182.0596431653. The cubic root of 1397265 is about 111.7959987602.

The spelling of 1397265 in words is "one million, three hundred ninety-seven thousand, two hundred sixty-five".