12725918 has 8 divisors (see below), whose sum is σ = 19111248. Its totient is φ = 6355504.

The previous prime is 12725917. The next prime is 12725939. The reversal of 12725918 is 81952721.

12725918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (12725917) 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, 1271 + ... + 5202.

It is an arithmetic number, because the mean of its divisors is an integer number (2388906).

Almost surely, 2^12725918 is an apocalyptic number.

12725918 is a deficient number, since it is larger than the sum of its proper divisors (6385330).

12725918 is an equidigital number, since it uses as much as digits as its factorization.

12725918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7458.

The product of its digits is 10080, while the sum is 35.

The square root of 12725918 is about 3567.3404659494. The cubic root of 12725918 is about 233.4692600305.

The spelling of 12725918 in words is "twelve million, seven hundred twenty-five thousand, nine hundred eighteen".