12607020409 has 2 divisors, whose sum is σ = 12607020410. Its totient is φ = 12607020408.

The previous prime is 12607020359. The next prime is 12607020469. The reversal of 12607020409 is 90402070621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9824774400 + 2782246009 = 99120^2 + 52747^2 .

It is a cyclic number.

It is not a de Polignac number, because 12607020409 - 2¹⁵ = 12606987641 is a prime.

It is not a weakly prime, because it can be changed into another prime (12607020469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6303510204 + 6303510205.

It is an arithmetic number, because the mean of its divisors is an integer number (6303510205).

Almost surely, 2^12607020409 is an apocalyptic number.

It is an amenable number.

12607020409 is a deficient number, since it is larger than the sum of its proper divisors (1).

12607020409 is an equidigital number, since it uses as much as digits as its factorization.

12607020409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 12607020409 in words is "twelve billion, six hundred seven million, twenty thousand, four hundred nine".