13722804 has 48 divisors (see below), whose sum is σ = 36178240. Its totient is φ = 4497120.

The previous prime is 13722803. The next prime is 13722817. The reversal of 13722804 is 40822731.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13722803) 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, 5547 + ... + 7629.

Almost surely, 2^13722804 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 13722804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18089120).

13722804 is an abundant number, since it is smaller than the sum of its proper divisors (22455436).

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

13722804 is a wasteful number, since it uses less digits than its factorization.

13722804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157 (or 2149 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 13722804 is about 3704.4303205756. The cubic root of 13722804 is about 239.4129401740.

The spelling of 13722804 in words is "thirteen million, seven hundred twenty-two thousand, eight hundred four".