13125718 has 4 divisors (see below), whose sum is σ = 19688580. Its totient is φ = 6562858.

The previous prime is 13125701. The next prime is 13125727. The reversal of 13125718 is 81752131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81752131 = 29 ⋅2819039.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3281428 + ... + 3281431.

It is an arithmetic number, because the mean of its divisors is an integer number (4922145).

Almost surely, 2^13125718 is an apocalyptic number.

13125718 is a deficient number, since it is larger than the sum of its proper divisors (6562862).

13125718 is an equidigital number, since it uses as much as digits as its factorization.

13125718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6562861.

The product of its digits is 1680, while the sum is 28.

The square root of 13125718 is about 3622.9432786065. The cubic root of 13125718 is about 235.8890002762.

Adding to 13125718 its reverse (81752131), we get a palindrome (94877849).

The spelling of 13125718 in words is "thirteen million, one hundred twenty-five thousand, seven hundred eighteen".