13861129 has 2 divisors, whose sum is σ = 13861130. Its totient is φ = 13861128.

The previous prime is 13861121. The next prime is 13861163. The reversal of 13861129 is 92116831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13860729 + 400 = 3723^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 13861129 - 2³ = 13861121 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13861129.

It is not a weakly prime, because it can be changed into another prime (13861121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6930564 + 6930565.

It is an arithmetic number, because the mean of its divisors is an integer number (6930565).

Almost surely, 2^13861129 is an apocalyptic number.

It is an amenable number.

13861129 is a deficient number, since it is larger than the sum of its proper divisors (1).

13861129 is an equidigital number, since it uses as much as digits as its factorization.

13861129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 31.

The square root of 13861129 is about 3723.0537197306. The cubic root of 13861129 is about 240.2146748189.

The spelling of 13861129 in words is "thirteen million, eight hundred sixty-one thousand, one hundred twenty-nine".