13043604 has 48 divisors (see below), whose sum is σ = 35504000. Its totient is φ = 3725568.

The previous prime is 13043603. The next prime is 13043629. The reversal of 13043604 is 40634031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13043603) 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 15 ways as a sum of consecutive naturals, for example, 2532 + ... + 5700.

Almost surely, 2^13043604 is an apocalyptic number.

13043604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13043604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17752000).

13043604 is an abundant number, since it is smaller than the sum of its proper divisors (22460396).

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

13043604 is a wasteful number, since it uses less digits than its factorization.

13043604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197 (or 3181 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 13043604 is about 3611.5930003255. The cubic root of 13043604 is about 235.3960666688.

Adding to 13043604 its reverse (40634031), we get a palindrome (53677635).

It can be divided in two parts, 130 and 43604, that added together give a palindrome (43734).

The spelling of 13043604 in words is "thirteen million, forty-three thousand, six hundred four".