13844729 has 2 divisors, whose sum is σ = 13844730. Its totient is φ = 13844728.

The previous prime is 13844723. The next prime is 13844741. The reversal of 13844729 is 92744831.

13844729 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8791225 + 5053504 = 2965^2 + 2248^2 .

It is a cyclic number.

It is not a de Polignac number, because 13844729 - 2¹⁶ = 13779193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13844692 and 13844701.

It is not a weakly prime, because it can be changed into another prime (13844723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6922364 + 6922365.

It is an arithmetic number, because the mean of its divisors is an integer number (6922365).

Almost surely, 2^13844729 is an apocalyptic number.

It is an amenable number.

13844729 is a deficient number, since it is larger than the sum of its proper divisors (1).

13844729 is an equidigital number, since it uses as much as digits as its factorization.

13844729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 13844729 is about 3720.8505748014. The cubic root of 13844729 is about 240.1198995811.

The spelling of 13844729 in words is "thirteen million, eight hundred forty-four thousand, seven hundred twenty-nine".