13580867 has 4 divisors (see below), whose sum is σ = 13602696. Its totient is φ = 13559040.

The previous prime is 13580783. The next prime is 13580869. The reversal of 13580867 is 76808531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76808531 = 8581 ⋅8951.

It is a cyclic number.

It is not a de Polignac number, because 13580867 - 2¹⁴ = 13564483 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 13580867.

It is not an unprimeable number, because it can be changed into a prime (13580869) 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, 9953 + ... + 11234.

It is an arithmetic number, because the mean of its divisors is an integer number (3400674).

Almost surely, 2^13580867 is an apocalyptic number.

13580867 is a deficient number, since it is larger than the sum of its proper divisors (21829).

13580867 is an equidigital number, since it uses as much as digits as its factorization.

13580867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21828.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 13580867 is about 3685.2227883806. Note that the first 3 decimals coincide. The cubic root of 13580867 is about 238.5846500000.

The spelling of 13580867 in words is "thirteen million, five hundred eighty thousand, eight hundred sixty-seven".