13145528 has 16 divisors (see below), whose sum is σ = 26888760. Its totient is φ = 5975200.

The previous prime is 13145527. The next prime is 13145533. The reversal of 13145528 is 82554131.

It is a self number, because there is not a number n which added to its sum of digits gives 13145528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13145527) 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, 74603 + ... + 74778.

Almost surely, 2^13145528 is an apocalyptic number.

It is an amenable number.

13145528 is an abundant number, since it is smaller than the sum of its proper divisors (13743232).

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

13145528 is a wasteful number, since it uses less digits than its factorization.

13145528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149398 (or 149394 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 13145528 is about 3625.6762127912. The cubic root of 13145528 is about 236.0076125094.

Adding to 13145528 its reverse (82554131), we get a palindrome (95699659).

It can be divided in two parts, 13 and 145528, that added together give a palindrome (145541).

The spelling of 13145528 in words is "thirteen million, one hundred forty-five thousand, five hundred twenty-eight".