13861418 has 8 divisors (see below), whose sum is σ = 20829312. Its totient is φ = 6918316.

The previous prime is 13861417. The next prime is 13861439. The reversal of 13861418 is 81416831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13861411) 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, 4730 + ... + 7077.

It is an arithmetic number, because the mean of its divisors is an integer number (2603664).

Almost surely, 2^13861418 is an apocalyptic number.

13861418 is a deficient number, since it is larger than the sum of its proper divisors (6967894).

13861418 is a wasteful number, since it uses less digits than its factorization.

13861418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12396.

The product of its digits is 4608, while the sum is 32.

The square root of 13861418 is about 3723.0925317537. The cubic root of 13861418 is about 240.2163442731.

The spelling of 13861418 in words is "thirteen million, eight hundred sixty-one thousand, four hundred eighteen".