1397371 has 4 divisors (see below), whose sum is σ = 1429912. Its totient is φ = 1364832.

The previous prime is 1397359. The next prime is 1397437. The reversal of 1397371 is 1737931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1397371 - 2⁵ = 1397339 is a prime.

It is a Duffinian number.

1397371 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1397311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16206 + ... + 16291.

It is an arithmetic number, because the mean of its divisors is an integer number (357478).

2^1397371 is an apocalyptic number.

1397371 is a deficient number, since it is larger than the sum of its proper divisors (32541).

1397371 is an equidigital number, since it uses as much as digits as its factorization.

1397371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32540.

The product of its digits is 3969, while the sum is 31.

The square root of 1397371 is about 1182.1044793080. The cubic root of 1397371 is about 111.7988257296.

The spelling of 1397371 in words is "one million, three hundred ninety-seven thousand, three hundred seventy-one".