11320567 has 4 divisors (see below), whose sum is σ = 11583880. Its totient is φ = 11057256.

The previous prime is 11320553. The next prime is 11320571. The reversal of 11320567 is 76502311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76502311 = 4493 ⋅17027.

It is a cyclic number.

It is not a de Polignac number, because 11320567 - 2¹⁵ = 11287799 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 (11320537) 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, 131592 + ... + 131677.

It is an arithmetic number, because the mean of its divisors is an integer number (2895970).

Almost surely, 2^11320567 is an apocalyptic number.

11320567 is a deficient number, since it is larger than the sum of its proper divisors (263313).

11320567 is an equidigital number, since it uses as much as digits as its factorization.

11320567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263312.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 11320567 is about 3364.6050288258. The cubic root of 11320567 is about 224.5377637972.

Adding to 11320567 its reverse (76502311), we get a palindrome (87822878).

The spelling of 11320567 in words is "eleven million, three hundred twenty thousand, five hundred sixty-seven".