13422518 has 8 divisors (see below), whose sum is σ = 20162520. Its totient is φ = 6701680.

The previous prime is 13422517. The next prime is 13422533. The reversal of 13422518 is 81522431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13422517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2888 + ... + 5931.

It is an arithmetic number, because the mean of its divisors is an integer number (2520315).

Almost surely, 2^13422518 is an apocalyptic number.

13422518 is a deficient number, since it is larger than the sum of its proper divisors (6740002).

13422518 is an equidigital number, since it uses as much as digits as its factorization.

13422518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9582.

The product of its digits is 1920, while the sum is 26.

The square root of 13422518 is about 3663.6754768948. The cubic root of 13422518 is about 237.6537464336.

Adding to 13422518 its reverse (81522431), we get a palindrome (94944949).

It can be divided in two parts, 13422 and 518, that multiplied together give a palindrome (6952596).

The spelling of 13422518 in words is "thirteen million, four hundred twenty-two thousand, five hundred eighteen".