1373897 has 4 divisors (see below), whose sum is σ = 1570176. Its totient is φ = 1177620.

The previous prime is 1373891. The next prime is 1373959. The reversal of 1373897 is 7983731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7983731 = 7 ⋅1140533.

It is a cyclic number.

It is not a de Polignac number, because 1373897 - 2⁴ = 1373881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1373897.

It is not an unprimeable number, because it can be changed into a prime (1373891) 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, 98129 + ... + 98142.

It is an arithmetic number, because the mean of its divisors is an integer number (392544).

2^1373897 is an apocalyptic number.

It is an amenable number.

1373897 is a deficient number, since it is larger than the sum of its proper divisors (196279).

1373897 is an equidigital number, since it uses as much as digits as its factorization.

1373897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196278.

The product of its digits is 31752, while the sum is 38.

The square root of 1373897 is about 1172.1335248170. The cubic root of 1373897 is about 111.1692626344.

The spelling of 1373897 in words is "one million, three hundred seventy-three thousand, eight hundred ninety-seven".