13719888 has 160 divisors (see below), whose sum is σ = 48608000. Its totient is φ = 3608064.

The previous prime is 13719883. The next prime is 13719899. The reversal of 13719888 is 88891731.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13719883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39138 + ... + 39486.

It is an arithmetic number, because the mean of its divisors is an integer number (303800).

Almost surely, 2^13719888 is an apocalyptic number.

13719888 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 13719888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24304000).

13719888 is an abundant number, since it is smaller than the sum of its proper divisors (34888112).

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

13719888 is a wasteful number, since it uses less digits than its factorization.

13719888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 374 counting only the distinct ones).

The product of its digits is 96768, while the sum is 45.

The square root of 13719888 is about 3704.0367168807. The cubic root of 13719888 is about 239.3959811136.

It can be divided in two parts, 1371988 and 8, that added together give a triangular number (1371996 = T₁₆₅₆).

The spelling of 13719888 in words is "thirteen million, seven hundred nineteen thousand, eight hundred eighty-eight".