12622265 has 4 divisors (see below), whose sum is σ = 15146724. Its totient is φ = 10097808.

The previous prime is 12622223. The next prime is 12622271. The reversal of 12622265 is 56222621.

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 7295401 + 5326864 = 2701^2 + 2308^2 .

It is a cyclic number.

It is not a de Polignac number, because 12622265 - 2⁶ = 12622201 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1262222 + ... + 1262231.

It is an arithmetic number, because the mean of its divisors is an integer number (3786681).

Almost surely, 2^12622265 is an apocalyptic number.

It is an amenable number.

12622265 is a deficient number, since it is larger than the sum of its proper divisors (2524459).

12622265 is an equidigital number, since it uses as much as digits as its factorization.

12622265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524458.

The product of its digits is 2880, while the sum is 26.

The square root of 12622265 is about 3552.7827121849. The cubic root of 12622265 is about 232.8336597587.

Adding to 12622265 its reverse (56222621), we get a palindrome (68844886).

It can be divided in two parts, 12 and 622265, that multiplied together give a triangular number (7467180 = T₃₈₆₄).

The spelling of 12622265 in words is "twelve million, six hundred twenty-two thousand, two hundred sixty-five".