13918347 has 12 divisors (see below), whose sum is σ = 20797920. Its totient is φ = 8958768.

The previous prime is 13918339. The next prime is 13918351. The reversal of 13918347 is 74381931.

It is a happy number.

It is not a de Polignac number, because 13918347 - 2³ = 13918339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13918337) 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, 26403 + ... + 26924.

It is an arithmetic number, because the mean of its divisors is an integer number (1733160).

Almost surely, 2^13918347 is an apocalyptic number.

13918347 is a deficient number, since it is larger than the sum of its proper divisors (6879573).

13918347 is a wasteful number, since it uses less digits than its factorization.

13918347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53362 (or 53359 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 13918347 is about 3730.7300894061. The cubic root of 13918347 is about 240.5447521690.

The spelling of 13918347 in words is "thirteen million, nine hundred eighteen thousand, three hundred forty-seven".