13032404 has 96 divisors (see below), whose sum is σ = 31933440. Its totient is φ = 4492800.

The previous prime is 13032401. The next prime is 13032419. The reversal of 13032404 is 40423031.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13032401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99419 + ... + 99549.

It is an arithmetic number, because the mean of its divisors is an integer number (332640).

Almost surely, 2^13032404 is an apocalyptic number.

13032404 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 13032404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15966720).

13032404 is an abundant number, since it is smaller than the sum of its proper divisors (18901036).

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

13032404 is a wasteful number, since it uses less digits than its factorization.

13032404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 13032404 is about 3610.0421050176. The cubic root of 13032404 is about 235.3286724398.

Adding to 13032404 its reverse (40423031), we get a palindrome (53455435).

The spelling of 13032404 in words is "thirteen million, thirty-two thousand, four hundred four".