1397093 has 4 divisors (see below), whose sum is σ = 1399788. Its totient is φ = 1394400.

The previous prime is 1397087. The next prime is 1397101. The reversal of 1397093 is 3907931.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3907931 = 211 ⋅18521.

It can be written as a sum of positive squares in 2 ways, for example, as 1119364 + 277729 = 1058^2 + 527^2 .

It is a cyclic number.

It is not a de Polignac number, because 1397093 - 2⁶ = 1397029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397023) 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, 296 + ... + 1697.

It is an arithmetic number, because the mean of its divisors is an integer number (349947).

2^1397093 is an apocalyptic number.

It is an amenable number.

1397093 is a deficient number, since it is larger than the sum of its proper divisors (2695).

1397093 is an equidigital number, since it uses as much as digits as its factorization.

1397093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 1397093 is about 1181.9868865601. The cubic root of 1397093 is about 111.7914112981.

The spelling of 1397093 in words is "one million, three hundred ninety-seven thousand, ninety-three".