13122304 has 36 divisors (see below), whose sum is σ = 28215376. Its totient is φ = 6054912.

The previous prime is 13122299. The next prime is 13122313. The reversal of 13122304 is 40322131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1357 + ... + 5299.

Almost surely, 2^13122304 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 13122304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14107688).

13122304 is an abundant number, since it is smaller than the sum of its proper divisors (15093072).

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

13122304 is an equidigital number, since it uses as much as digits as its factorization.

13122304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972 (or 3958 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13122304 is about 3622.4720840884. The cubic root of 13122304 is about 235.8685469219.

Adding to 13122304 its reverse (40322131), we get a palindrome (53444435).

The spelling of 13122304 in words is "thirteen million, one hundred twenty-two thousand, three hundred four".