13887468 has 36 divisors (see below), whose sum is σ = 40120080. Its totient is φ = 3967776.

The previous prime is 13887463. The next prime is 13887481. The reversal of 13887468 is 86478831.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (13887463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27303 + ... + 27806.

Almost surely, 2^13887468 is an apocalyptic number.

13887468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13887468 is an abundant number, since it is smaller than the sum of its proper divisors (26232612).

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

13887468 is a wasteful number, since it uses less digits than its factorization.

13887468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55126 (or 55121 counting only the distinct ones).

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

The square root of 13887468 is about 3726.5893253751. The cubic root of 13887468 is about 240.3667309995.

The spelling of 13887468 in words is "thirteen million, eight hundred eighty-seven thousand, four hundred sixty-eight".