13425547 has 2 divisors, whose sum is σ = 13425548. Its totient is φ = 13425546.

The previous prime is 13425539. The next prime is 13425569. The reversal of 13425547 is 74552431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13425547 - 2³ = 13425539 is a prime.

It is a super-3 number, since 3×13425547³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (13425047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6712773 + 6712774.

It is an arithmetic number, because the mean of its divisors is an integer number (6712774).

Almost surely, 2^13425547 is an apocalyptic number.

13425547 is a deficient number, since it is larger than the sum of its proper divisors (1).

13425547 is an equidigital number, since it uses as much as digits as its factorization.

13425547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 31.

The square root of 13425547 is about 3664.0888362593. The cubic root of 13425547 is about 237.6716218441.

Adding to 13425547 its reverse (74552431), we get a palindrome (87977978).

It can be divided in two parts, 1342 and 5547, that added together give a square (6889 = 83²).

The spelling of 13425547 in words is "thirteen million, four hundred twenty-five thousand, five hundred forty-seven".