12725535 has 16 divisors (see below), whose sum is σ = 21432960. Its totient is φ = 6429600.

The previous prime is 12725513. The next prime is 12725551. The reversal of 12725535 is 53552721.

12725535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12725535 - 2⁹ = 12725023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22041 + ... + 22610.

It is an arithmetic number, because the mean of its divisors is an integer number (1339560).

Almost surely, 2^12725535 is an apocalyptic number.

12725535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12725535 is a deficient number, since it is larger than the sum of its proper divisors (8707425).

12725535 is a wasteful number, since it uses less digits than its factorization.

12725535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44678.

The product of its digits is 10500, while the sum is 30.

The square root of 12725535 is about 3567.2867840980. The cubic root of 12725535 is about 233.4669178387.

The spelling of 12725535 in words is "twelve million, seven hundred twenty-five thousand, five hundred thirty-five".