13020524 has 24 divisors (see below), whose sum is σ = 24987648. Its totient is φ = 5887440.

The previous prime is 13020523. The next prime is 13020541. The reversal of 13020524 is 42502031.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13020523) 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 7 ways as a sum of consecutive naturals, for example, 9149 + ... + 10475.

It is an arithmetic number, because the mean of its divisors is an integer number (1041152).

Almost surely, 2^13020524 is an apocalyptic number.

It is an amenable number.

13020524 is a deficient number, since it is larger than the sum of its proper divisors (11967124).

13020524 is a wasteful number, since it uses less digits than its factorization.

13020524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565 (or 1563 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 13020524 is about 3608.3963196966. The cubic root of 13020524 is about 235.2571442051.

Adding to 13020524 its reverse (42502031), we get a palindrome (55522555).

The spelling of 13020524 in words is "thirteen million, twenty thousand, five hundred twenty-four".