13700218 has 24 divisors (see below), whose sum is σ = 24050592. Its totient is φ = 5733624.

The previous prime is 13700201. The next prime is 13700221. The reversal of 13700218 is 81200731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30705 + ... + 31147.

It is an arithmetic number, because the mean of its divisors is an integer number (1002108).

Almost surely, 2^13700218 is an apocalyptic number.

13700218 is a deficient number, since it is larger than the sum of its proper divisors (10350374).

13700218 is an equidigital number, since it uses as much as digits as its factorization.

13700218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 13700218 is about 3701.3805532531. The cubic root of 13700218 is about 239.2815202396.

Adding to 13700218 its reverse (81200731), we get a palindrome (94900949).

The spelling of 13700218 in words is "thirteen million, seven hundred thousand, two hundred eighteen".