13824518 has 16 divisors (see below), whose sum is σ = 21794400. Its totient is φ = 6564096.

The previous prime is 13824511. The next prime is 13824529. The reversal of 13824518 is 81542831.

It is a super-2 number, since 2×13824518² = 382234595864648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13824511) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5846 + ... + 7862.

It is an arithmetic number, because the mean of its divisors is an integer number (1362150).

Almost surely, 2^13824518 is an apocalyptic number.

13824518 is a deficient number, since it is larger than the sum of its proper divisors (7969882).

13824518 is a wasteful number, since it uses less digits than its factorization.

13824518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191.

The product of its digits is 7680, while the sum is 32.

The square root of 13824518 is about 3718.1336716154. The cubic root of 13824518 is about 240.0029976477.

The spelling of 13824518 in words is "thirteen million, eight hundred twenty-four thousand, five hundred eighteen".