12345601 has 4 divisors (see below), whose sum is σ = 12632752. Its totient is φ = 12058452.

The previous prime is 12345581. The next prime is 12345623. The reversal of 12345601 is 10654321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12345601 - 2⁵ = 12345569 is a prime.

It is a super-3 number, since 3×12345601³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12345001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143511 + ... + 143596.

It is an arithmetic number, because the mean of its divisors is an integer number (3158188).

Almost surely, 2^12345601 is an apocalyptic number.

It is an amenable number.

12345601 is a deficient number, since it is larger than the sum of its proper divisors (287151).

12345601 is an equidigital number, since it uses as much as digits as its factorization.

12345601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287150.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 12345601 is about 3513.6307432626. The cubic root of 12345601 is about 231.1199379659.

Adding to 12345601 its reverse (10654321), we get a palindrome (22999922).

The spelling of 12345601 in words is "twelve million, three hundred forty-five thousand, six hundred one".