13423104 has 80 divisors (see below), whose sum is σ = 39774240. Its totient is φ = 4469760.

The previous prime is 13423103. The next prime is 13423117. The reversal of 13423104 is 40132431.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13423103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13339 + ... + 14309.

It is an arithmetic number, because the mean of its divisors is an integer number (497178).

Almost surely, 2^13423104 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 13423104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19887120).

13423104 is an abundant number, since it is smaller than the sum of its proper divisors (26351136).

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

13423104 is an frugal number, since it uses more digits than its factorization.

13423104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998 (or 976 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13423104 is about 3663.7554503542. The cubic root of 13423104 is about 237.6572048773.

Adding to 13423104 its reverse (40132431), we get a palindrome (53555535).

The spelling of 13423104 in words is "thirteen million, four hundred twenty-three thousand, one hundred four".