13706047 has 2 divisors, whose sum is σ = 13706048. Its totient is φ = 13706046.

The previous prime is 13706027. The next prime is 13706051. The reversal of 13706047 is 74060731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13706047 - 2⁷ = 13705919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13706027) 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, 6853023 + 6853024.

It is an arithmetic number, because the mean of its divisors is an integer number (6853024).

Almost surely, 2^13706047 is an apocalyptic number.

13706047 is a deficient number, since it is larger than the sum of its proper divisors (1).

13706047 is an equidigital number, since it uses as much as digits as its factorization.

13706047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 13706047 is about 3702.1678784193. The cubic root of 13706047 is about 239.3154509459.

Adding to 13706047 its reverse (74060731), we get a palindrome (87766778).

The spelling of 13706047 in words is "thirteen million, seven hundred six thousand, forty-seven".