13445575 has 24 divisors (see below), whose sum is σ = 19592496. Its totient is φ = 9024000.

The previous prime is 13445573. The next prime is 13445587. The reversal of 13445575 is 57554431.

It is not a de Polignac number, because 13445575 - 2¹ = 13445573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13445575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13445573) 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 23 ways as a sum of consecutive naturals, for example, 1695 + ... + 5455.

It is an arithmetic number, because the mean of its divisors is an integer number (816354).

Almost surely, 2^13445575 is an apocalyptic number.

13445575 is a deficient number, since it is larger than the sum of its proper divisors (6146921).

13445575 is a wasteful number, since it uses less digits than its factorization.

13445575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795 (or 3790 counting only the distinct ones).

The product of its digits is 42000, while the sum is 34.

The square root of 13445575 is about 3666.8208300925. The cubic root of 13445575 is about 237.7897479360.

The spelling of 13445575 in words is "thirteen million, four hundred forty-five thousand, five hundred seventy-five".