13918408 has 16 divisors (see below), whose sum is σ = 29825280. Its totient is φ = 5965008.

The previous prime is 13918403. The next prime is 13918409. The reversal of 13918408 is 80481931.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13918403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124216 + ... + 124327.

It is an arithmetic number, because the mean of its divisors is an integer number (1864080).

Almost surely, 2^13918408 is an apocalyptic number.

It is an amenable number.

13918408 is an abundant number, since it is smaller than the sum of its proper divisors (15906872).

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

13918408 is a wasteful number, since it uses less digits than its factorization.

13918408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248556 (or 248552 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 13918408 is about 3730.7382647406. The cubic root of 13918408 is about 240.5451035806.

The spelling of 13918408 in words is "thirteen million, nine hundred eighteen thousand, four hundred eight".