1321367 has 4 divisors (see below), whose sum is σ = 1327416. Its totient is φ = 1315320.

The previous prime is 1321363. The next prime is 1321379. The reversal of 1321367 is 7631231.

It is a happy number.

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 1321367 - 2² = 1321363 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 (1321363) 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, 2684 + ... + 3137.

It is an arithmetic number, because the mean of its divisors is an integer number (331854).

2^1321367 is an apocalyptic number.

1321367 is a deficient number, since it is larger than the sum of its proper divisors (6049).

1321367 is an equidigital number, since it uses as much as digits as its factorization.

1321367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6048.

The product of its digits is 756, while the sum is 23.

The square root of 1321367 is about 1149.5072857533. The cubic root of 1321367 is about 109.7339853103.

Adding to 1321367 its reverse (7631231), we get a palindrome (8952598).

The spelling of 1321367 in words is "one million, three hundred twenty-one thousand, three hundred sixty-seven".