13918458 has 16 divisors (see below), whose sum is σ = 27979200. Its totient is φ = 4615776.

The previous prime is 13918451. The next prime is 13918477. The reversal of 13918458 is 85481931.

13918458 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13918451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4635 + ... + 7022.

It is an arithmetic number, because the mean of its divisors is an integer number (1748700).

Almost surely, 2^13918458 is an apocalyptic number.

13918458 is an abundant number, since it is smaller than the sum of its proper divisors (14060742).

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

13918458 is a wasteful number, since it uses less digits than its factorization.

13918458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11861.

The product of its digits is 34560, while the sum is 39.

The square root of 13918458 is about 3730.7449658212. The cubic root of 13918458 is about 240.5453916222.

The spelling of 13918458 in words is "thirteen million, nine hundred eighteen thousand, four hundred fifty-eight".