12627145 has 4 divisors (see below), whose sum is σ = 15152580. Its totient is φ = 10101712.

The previous prime is 12627133. The next prime is 12627149. The reversal of 12627145 is 54172621.

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 1411344 + 11215801 = 1188^2 + 3349^2 .

It is a cyclic number.

It is not a de Polignac number, because 12627145 - 2¹¹ = 12625097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12627149) 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, 1262710 + ... + 1262719.

It is an arithmetic number, because the mean of its divisors is an integer number (3788145).

Almost surely, 2^12627145 is an apocalyptic number.

It is an amenable number.

12627145 is a deficient number, since it is larger than the sum of its proper divisors (2525435).

12627145 is an equidigital number, since it uses as much as digits as its factorization.

12627145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525434.

The product of its digits is 3360, while the sum is 28.

The square root of 12627145 is about 3553.4694314149. The cubic root of 12627145 is about 232.8636618189.

Adding to 12627145 its reverse (54172621), we get a palindrome (66799766).

The spelling of 12627145 in words is "twelve million, six hundred twenty-seven thousand, one hundred forty-five".