13925047 has 2 divisors, whose sum is σ = 13925048. Its totient is φ = 13925046.

The previous prime is 13925039. The next prime is 13925053. The reversal of 13925047 is 74052931.

It is a strong prime.

It is an emirp because it is prime and its reverse (74052931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13925047 - 2³ = 13925039 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13925447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6962523 + 6962524.

It is an arithmetic number, because the mean of its divisors is an integer number (6962524).

Almost surely, 2^13925047 is an apocalyptic number.

13925047 is a deficient number, since it is larger than the sum of its proper divisors (1).

13925047 is an equidigital number, since it uses as much as digits as its factorization.

13925047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 13925047 is about 3731.6279289340. The cubic root of 13925047 is about 240.5833437082.

Adding to 13925047 its reverse (74052931), we get a palindrome (87977978).

The spelling of 13925047 in words is "thirteen million, nine hundred twenty-five thousand, forty-seven".