12207505 has 8 divisors (see below), whose sum is σ = 14673024. Its totient is φ = 9750000.

The previous prime is 12207491. The next prime is 12207509. The reversal of 12207505 is 50570221.

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

It is not a de Polignac number, because 12207505 - 2⁵ = 12207473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12207509) 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 7 ways as a sum of consecutive naturals, for example, 2130 + ... + 5380.

It is an arithmetic number, because the mean of its divisors is an integer number (1834128).

Almost surely, 2^12207505 is an apocalyptic number.

It is an amenable number.

12207505 is a deficient number, since it is larger than the sum of its proper divisors (2465519).

12207505 is an equidigital number, since it uses as much as digits as its factorization.

12207505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 12207505 is about 3493.9240117667. The cubic root of 12207505 is about 230.2549472888.

Adding to 12207505 its reverse (50570221), we get a palindrome (62777726).

The spelling of 12207505 in words is "twelve million, two hundred seven thousand, five hundred five".