13718481 has 12 divisors (see below), whose sum is σ = 21277872. Its totient is φ = 7839048.

The previous prime is 13718459. The next prime is 13718483. The reversal of 13718481 is 18481731.

13718481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13718481 - 2⁶ = 13718417 is a prime.

It is a super-2 number, since 2×13718481² = 376393441894722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13718483) 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, 46515 + ... + 46808.

It is an arithmetic number, because the mean of its divisors is an integer number (1773156).

Almost surely, 2^13718481 is an apocalyptic number.

It is an amenable number.

13718481 is a deficient number, since it is larger than the sum of its proper divisors (7559391).

13718481 is an equidigital number, since it uses as much as digits as its factorization.

13718481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93340 (or 93333 counting only the distinct ones).

The product of its digits is 5376, while the sum is 33.

The square root of 13718481 is about 3703.8467840881. The cubic root of 13718481 is about 239.3877973329.

The spelling of 13718481 in words is "thirteen million, seven hundred eighteen thousand, four hundred eighty-one".