12525709 has 8 divisors (see below), whose sum is σ = 14808960. Its totient is φ = 10365936.

The previous prime is 12525701. The next prime is 12525761. The reversal of 12525709 is 90752521.

12525709 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 not a de Polignac number, because 12525709 - 2³ = 12525701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30649 + ... + 31054.

It is an arithmetic number, because the mean of its divisors is an integer number (1851120).

Almost surely, 2^12525709 is an apocalyptic number.

It is an amenable number.

12525709 is a deficient number, since it is larger than the sum of its proper divisors (2283251).

12525709 is an equidigital number, since it uses as much as digits as its factorization.

12525709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61739.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 12525709 is about 3539.1678400438. The cubic root of 12525709 is about 232.2384402017.

The spelling of 12525709 in words is "twelve million, five hundred twenty-five thousand, seven hundred nine".