1320567 has 8 divisors (see below), whose sum is σ = 1808496. Its totient is φ = 856512.

The previous prime is 1320541. The next prime is 1320607. The reversal of 1320567 is 7650231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1320567 - 2¹⁰ = 1319543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5838 + ... + 6059.

It is an arithmetic number, because the mean of its divisors is an integer number (226062).

2^1320567 is an apocalyptic number.

1320567 is a deficient number, since it is larger than the sum of its proper divisors (487929).

1320567 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 8 representation: 1320567 = (5023167)₈.

1320567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11937.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 1320567 is about 1149.1592578925. The cubic root of 1320567 is about 109.7118352918.

Adding to 1320567 its reverse (7650231), we get a palindrome (8970798).

The spelling of 1320567 in words is "one million, three hundred twenty thousand, five hundred sixty-seven".