13245718 has 4 divisors (see below), whose sum is σ = 19868580. Its totient is φ = 6622858.

The previous prime is 13245709. The next prime is 13245731. The reversal of 13245718 is 81754231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81754231 = 13 ⋅6288787.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 13245718.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3311428 + ... + 3311431.

It is an arithmetic number, because the mean of its divisors is an integer number (4967145).

Almost surely, 2^13245718 is an apocalyptic number.

13245718 is a deficient number, since it is larger than the sum of its proper divisors (6622862).

13245718 is an equidigital number, since it uses as much as digits as its factorization.

13245718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6622861.

The product of its digits is 6720, while the sum is 31.

The square root of 13245718 is about 3639.4667191774. The cubic root of 13245718 is about 236.6056811277.

Adding to 13245718 its reverse (81754231), we get a palindrome (94999949).

The spelling of 13245718 in words is "thirteen million, two hundred forty-five thousand, seven hundred eighteen".