12612245 has 8 divisors (see below), whose sum is σ = 15656760. Its totient is φ = 9741760.

The previous prime is 12612241. The next prime is 12612277. The reversal of 12612245 is 54221621.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 158404 + 12453841 = 398^2 + 3529^2 .

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

It is not a de Polignac number, because 12612245 - 2² = 12612241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12612245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12612241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43346 + ... + 43635.

It is an arithmetic number, because the mean of its divisors is an integer number (1957095).

Almost surely, 2^12612245 is an apocalyptic number.

It is an amenable number.

12612245 is a deficient number, since it is larger than the sum of its proper divisors (3044515).

12612245 is an equidigital number, since it uses as much as digits as its factorization.

12612245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87015.

The product of its digits is 960, while the sum is 23.

The square root of 12612245 is about 3551.3722699824. The cubic root of 12612245 is about 232.7720329196.

Adding to 12612245 its reverse (54221621), we get a palindrome (66833866).

The spelling of 12612245 in words is "twelve million, six hundred twelve thousand, two hundred forty-five".