13022504 has 32 divisors (see below), whose sum is σ = 26879040. Its totient is φ = 5914480.

The previous prime is 13022501. The next prime is 13022509. The reversal of 13022504 is 40522031.

It is a super-2 number, since 2×13022504² = 339171220860032, which contains 22 as substring.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13022501) 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 7 ways as a sum of consecutive naturals, for example, 10037 + ... + 11259.

It is an arithmetic number, because the mean of its divisors is an integer number (839970).

Almost surely, 2^13022504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13022504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13439520).

13022504 is an abundant number, since it is smaller than the sum of its proper divisors (13856536).

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

13022504 is a wasteful number, since it uses less digits than its factorization.

13022504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262 (or 1236 counting only the distinct ones).

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

The square root of 13022504 is about 3608.6706693740. The cubic root of 13022504 is about 235.2690685981.

Adding to 13022504 its reverse (40522031), we get a palindrome (53544535).

The spelling of 13022504 in words is "thirteen million, twenty-two thousand, five hundred four".