13797888 has 80 divisors (see below), whose sum is σ = 39643296. Its totient is φ = 4239360.

The previous prime is 13797887. The next prime is 13797899. The reversal of 13797888 is 88879731.

It is a self number, because there is not a number n which added to its sum of digits gives 13797888.

It is not an unprimeable number, because it can be changed into a prime (13797887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19623 + ... + 20313.

Almost surely, 2^13797888 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 13797888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19821648).

13797888 is an abundant number, since it is smaller than the sum of its proper divisors (25845408).

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

13797888 is an equidigital number, since it uses as much as digits as its factorization.

13797888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 709 counting only the distinct ones).

The product of its digits is 677376, while the sum is 51.

The square root of 13797888 is about 3714.5508476800. The cubic root of 13797888 is about 239.8487936449.

The spelling of 13797888 in words is "thirteen million, seven hundred ninety-seven thousand, eight hundred eighty-eight".