12500605 has 8 divisors (see below), whose sum is σ = 16154712. Its totient is φ = 9231168.

The previous prime is 12500603. The next prime is 12500617. The reversal of 12500605 is 50600521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11449 + 12489156 = 107^2 + 3534^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12500605 - 2¹ = 12500603 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 (12500603) 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, 96094 + ... + 96223.

It is an arithmetic number, because the mean of its divisors is an integer number (2019339).

Almost surely, 2^12500605 is an apocalyptic number.

It is an amenable number.

12500605 is a deficient number, since it is larger than the sum of its proper divisors (3654107).

12500605 is a wasteful number, since it uses less digits than its factorization.

12500605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192335.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 12500605 is about 3535.6194648180. The cubic root of 12500605 is about 232.0831858352.

It can be divided in two parts, 12500 and 605, that multiplied together give a square (7562500 = 2750²).

The spelling of 12500605 in words is "twelve million, five hundred thousand, six hundred five".