1367897 has 4 divisors (see below), whose sum is σ = 1376256. Its totient is φ = 1359540.

The previous prime is 1367893. The next prime is 1367903. The reversal of 1367897 is 7987631.

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: 7987631 = 113 ⋅70687.

It is a cyclic number.

It is not a de Polignac number, because 1367897 - 2² = 1367893 is a prime.

It is a super-2 number, since 2×1367897² = 3742284405218, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1367893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3929 + ... + 4262.

It is an arithmetic number, because the mean of its divisors is an integer number (344064).

2^1367897 is an apocalyptic number.

It is an amenable number.

1367897 is a deficient number, since it is larger than the sum of its proper divisors (8359).

1367897 is an equidigital number, since it uses as much as digits as its factorization.

1367897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8358.

The product of its digits is 63504, while the sum is 41.

The square root of 1367897 is about 1169.5712889773. The cubic root of 1367897 is about 111.0071959191.

The spelling of 1367897 in words is "one million, three hundred sixty-seven thousand, eight hundred ninety-seven".