12415129 has 2 divisors, whose sum is σ = 12415130. Its totient is φ = 12415128.

The previous prime is 12415121. The next prime is 12415133. The reversal of 12415129 is 92151421.

It is a happy number.

12415129 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12411529 + 3600 = 3523^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 12415129 - 2³ = 12415121 is a prime.

It is equal to p₈₁₃₅₄₄ and since 12415129 and 813544 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (12415121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6207564 + 6207565.

It is an arithmetic number, because the mean of its divisors is an integer number (6207565).

Almost surely, 2^12415129 is an apocalyptic number.

It is an amenable number.

12415129 is a deficient number, since it is larger than the sum of its proper divisors (1).

12415129 is an equidigital number, since it uses as much as digits as its factorization.

12415129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 25.

The square root of 12415129 is about 3523.5108911425. The cubic root of 12415129 is about 231.5530000389.

It can be divided in two parts, 12415 and 129, that added together give a square (12544 = 112²).

The spelling of 12415129 in words is "twelve million, four hundred fifteen thousand, one hundred twenty-nine".