13740518 has 12 divisors (see below), whose sum is σ = 22655220. Its totient is φ = 6245580.

The previous prime is 13740487. The next prime is 13740523. The reversal of 13740518 is 81504731.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28148 + ... + 28631.

It is an arithmetic number, because the mean of its divisors is an integer number (1887935).

Almost surely, 2^13740518 is an apocalyptic number.

13740518 is a deficient number, since it is larger than the sum of its proper divisors (8914702).

13740518 is a wasteful number, since it uses less digits than its factorization.

13740518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56803 (or 56792 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 13740518 is about 3706.8204704302. The cubic root of 13740518 is about 239.5159108041.

The spelling of 13740518 in words is "thirteen million, seven hundred forty thousand, five hundred eighteen".