13745929 has 2 divisors, whose sum is σ = 13745930. Its totient is φ = 13745928.

The previous prime is 13745903. The next prime is 13745957. The reversal of 13745929 is 92954731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7011904 + 6734025 = 2648^2 + 2595^2 .

It is a cyclic number.

It is not a de Polignac number, because 13745929 - 2¹⁹ = 13221641 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13745891 and 13745900.

It is not a weakly prime, because it can be changed into another prime (13745959) 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, 6872964 + 6872965.

It is an arithmetic number, because the mean of its divisors is an integer number (6872965).

Almost surely, 2^13745929 is an apocalyptic number.

It is an amenable number.

13745929 is a deficient number, since it is larger than the sum of its proper divisors (1).

13745929 is an equidigital number, since it uses as much as digits as its factorization.

13745929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 40.

The square root of 13745929 is about 3707.5502693827. The cubic root of 13745929 is about 239.5473470403.

The spelling of 13745929 in words is "thirteen million, seven hundred forty-five thousand, nine hundred twenty-nine".