13722048 has 70 divisors (see below), whose sum is σ = 40691816. Its totient is φ = 4572288.

The previous prime is 13722019. The next prime is 13722067. The reversal of 13722048 is 84022731.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3861 + ... + 6507.

Almost surely, 2^13722048 is an apocalyptic number.

13722048 is a gapful number since it is divisible by the number (18) 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 13722048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20345908).

13722048 is an abundant number, since it is smaller than the sum of its proper divisors (26969768).

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

13722048 is an equidigital number, since it uses as much as digits as its factorization.

13722048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671 (or 2652 counting only the distinct ones).

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

The square root of 13722048 is about 3704.3282791891. The cubic root of 13722048 is about 239.4085436113.

Adding to 13722048 its reverse (84022731), we get a palindrome (97744779).

The spelling of 13722048 in words is "thirteen million, seven hundred twenty-two thousand, forty-eight".