13867488 has 72 divisors (see below), whose sum is σ = 39803400. Its totient is φ = 4579584.

The previous prime is 13867439. The next prime is 13867493. The reversal of 13867488 is 88476831.

13867488 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51418 + ... + 51686.

It is an arithmetic number, because the mean of its divisors is an integer number (552825).

Almost surely, 2^13867488 is an apocalyptic number.

13867488 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 13867488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19901700).

13867488 is an abundant number, since it is smaller than the sum of its proper divisors (25935912).

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

13867488 is a wasteful number, since it uses less digits than its factorization.

13867488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 453 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 13867488 is about 3723.9076250627. The cubic root of 13867488 is about 240.2514032265.

The spelling of 13867488 in words is "thirteen million, eight hundred sixty-seven thousand, four hundred eighty-eight".