12395601 has 12 divisors (see below), whose sum is σ = 18958212. Its totient is φ = 7777536.

The previous prime is 12395599. The next prime is 12395641. The reversal of 12395601 is 10659321.

It can be written as a sum of positive squares in 2 ways, for example, as 11229201 + 1166400 = 3351^2 + 1080^2 .

It is not a de Polignac number, because 12395601 - 2¹ = 12395599 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12395641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40356 + ... + 40661.

It is an arithmetic number, because the mean of its divisors is an integer number (1579851).

Almost surely, 2^12395601 is an apocalyptic number.

It is an amenable number.

12395601 is a deficient number, since it is larger than the sum of its proper divisors (6562611).

12395601 is a wasteful number, since it uses less digits than its factorization.

12395601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81040 (or 81037 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 12395601 is about 3520.7387008979. The cubic root of 12395601 is about 231.4315315775.

It can be divided in two parts, 12395 and 601, that added together give a square (12996 = 114²).

The spelling of 12395601 in words is "twelve million, three hundred ninety-five thousand, six hundred one".