13425555 has 48 divisors (see below), whose sum is σ = 25472160. Its totient is φ = 5998080.

The previous prime is 13425547. The next prime is 13425569. The reversal of 13425555 is 55552431.

It is a happy number.

13425555 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13425555 - 2³ = 13425547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23311 + ... + 23879.

It is an arithmetic number, because the mean of its divisors is an integer number (530670).

Almost surely, 2^13425555 is an apocalyptic number.

13425555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13425555 is a deficient number, since it is larger than the sum of its proper divisors (12046605).

13425555 is a wasteful number, since it uses less digits than its factorization.

13425555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 601 counting only the distinct ones).

The product of its digits is 15000, while the sum is 30.

The square root of 13425555 is about 3664.0899279357. The cubic root of 13425555 is about 237.6716690519.

Adding to 13425555 its reverse (55552431), we get a palindrome (68977986).

The spelling of 13425555 in words is "thirteen million, four hundred twenty-five thousand, five hundred fifty-five".