12621298 has 8 divisors (see below), whose sum is σ = 18966492. Its totient is φ = 6299136.

The previous prime is 12621289. The next prime is 12621299. The reversal of 12621298 is 89212621.

It can be written as a sum of positive squares in 2 ways, for example, as 8139609 + 4481689 = 2853^2 + 2117^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12621299) 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 3 ways as a sum of consecutive naturals, for example, 4315 + ... + 6622.

Almost surely, 2^12621298 is an apocalyptic number.

12621298 is a deficient number, since it is larger than the sum of its proper divisors (6345194).

12621298 is a wasteful number, since it uses less digits than its factorization.

12621298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11516.

The product of its digits is 3456, while the sum is 31.

The square root of 12621298 is about 3552.6466190715. The cubic root of 12621298 is about 232.8277137604.

The spelling of 12621298 in words is "twelve million, six hundred twenty-one thousand, two hundred ninety-eight".