12465601 has 4 divisors (see below), whose sum is σ = 12484692. Its totient is φ = 12446512.

The previous prime is 12465581. The next prime is 12465613. The reversal of 12465601 is 10656421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9006001 + 3459600 = 3001^2 + 1860^2 .

It is a cyclic number.

It is not a de Polignac number, because 12465601 - 2¹³ = 12457409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12465671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8530 + ... + 9883.

It is an arithmetic number, because the mean of its divisors is an integer number (3121173).

Almost surely, 2^12465601 is an apocalyptic number.

It is an amenable number.

12465601 is a deficient number, since it is larger than the sum of its proper divisors (19091).

12465601 is an equidigital number, since it uses as much as digits as its factorization.

12465601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19090.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 12465601 is about 3530.6658012335. The cubic root of 12465601 is about 231.8663580789.

The spelling of 12465601 in words is "twelve million, four hundred sixty-five thousand, six hundred one".