13425536 has 32 divisors (see below), whose sum is σ = 27264600. Its totient is φ = 6582784.

The previous prime is 13425481. The next prime is 13425539. The reversal of 13425536 is 63552431.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 13425499 and 13425508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13425539) 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 3 ways as a sum of consecutive naturals, for example, 5795 + ... + 7773.

Almost surely, 2^13425536 is an apocalyptic number.

13425536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13425536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13632300).

13425536 is an abundant number, since it is smaller than the sum of its proper divisors (13839064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13425536 is an equidigital number, since it uses as much as digits as its factorization.

13425536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046 (or 2034 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 13425536 is about 3664.0873352037. The cubic root of 13425536 is about 237.6715569333.

Adding to 13425536 its reverse (63552431), we get a palindrome (76977967).

The spelling of 13425536 in words is "thirteen million, four hundred twenty-five thousand, five hundred thirty-six".