13208427 has 20 divisors (see below), whose sum is σ = 20415120. Its totient is φ = 8500464.

The previous prime is 13208413. The next prime is 13208431. The reversal of 13208427 is 72480231.

It is not a de Polignac number, because 13208427 - 2¹⁶ = 13142891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 13208427.

It is not an unprimeable number, because it can be changed into a prime (13208407) 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 19 ways as a sum of consecutive naturals, for example, 463 + ... + 5160.

It is an arithmetic number, because the mean of its divisors is an integer number (1020756).

Almost surely, 2^13208427 is an apocalyptic number.

13208427 is a deficient number, since it is larger than the sum of its proper divisors (7206693).

13208427 is an equidigital number, since it uses as much as digits as its factorization.

13208427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5664 (or 5655 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 13208427 is about 3634.3399675870. The cubic root of 13208427 is about 236.3834318054.

Adding to 13208427 its reverse (72480231), we get a palindrome (85688658).

The spelling of 13208427 in words is "thirteen million, two hundred eight thousand, four hundred twenty-seven".