13423404 has 48 divisors (see below), whose sum is σ = 34322400. Its totient is φ = 4064256.

The previous prime is 13423391. The next prime is 13423409. The reversal of 13423404 is 40432431.

13423404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13423409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4782 + ... + 7050.

It is an arithmetic number, because the mean of its divisors is an integer number (715050).

Almost surely, 2^13423404 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 13423404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17161200).

13423404 is an abundant number, since it is smaller than the sum of its proper divisors (20898996).

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

13423404 is a wasteful number, since it uses less digits than its factorization.

13423404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322 (or 2320 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 13423404 is about 3663.7963917227. The cubic root of 13423404 is about 237.6589753727.

Adding to 13423404 its reverse (40432431), we get a palindrome (53855835).

The spelling of 13423404 in words is "thirteen million, four hundred twenty-three thousand, four hundred four".