13745918 has 4 divisors (see below), whose sum is σ = 20618880. Its totient is φ = 6872958.

The previous prime is 13745903. The next prime is 13745929. The reversal of 13745918 is 81954731.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3436478 + ... + 3436481.

It is an arithmetic number, because the mean of its divisors is an integer number (5154720).

Almost surely, 2^13745918 is an apocalyptic number.

13745918 is a deficient number, since it is larger than the sum of its proper divisors (6872962).

13745918 is an equidigital number, since it uses as much as digits as its factorization.

13745918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6872961.

The product of its digits is 30240, while the sum is 38.

The square root of 13745918 is about 3707.5487859231. The cubic root of 13745918 is about 239.5472831421.

The spelling of 13745918 in words is "thirteen million, seven hundred forty-five thousand, nine hundred eighteen".