12245105 has 8 divisors (see below), whose sum is σ = 15201000. Its totient is φ = 9458176.

The previous prime is 12245099. The next prime is 12245119. The reversal of 12245105 is 50154221.

It can be written as a sum of positive squares in 4 ways, for example, as 78961 + 12166144 = 281^2 + 3488^2 .

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

It is not a de Polignac number, because 12245105 - 2⁴ = 12245089 is a prime.

It is a super-2 number, since 2×12245105² = 299885192922050, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 42080 + ... + 42369.

It is an arithmetic number, because the mean of its divisors is an integer number (1900125).

Almost surely, 2^12245105 is an apocalyptic number.

It is an amenable number.

12245105 is a deficient number, since it is larger than the sum of its proper divisors (2955895).

12245105 is an equidigital number, since it uses as much as digits as its factorization.

12245105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84483.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 12245105 is about 3499.3006444145. The cubic root of 12245105 is about 230.4911056338.

Adding to 12245105 its reverse (50154221), we get a palindrome (62399326).

The spelling of 12245105 in words is "twelve million, two hundred forty-five thousand, one hundred five".