13725047 has 6 divisors (see below), whose sum is σ = 15965928. Its totient is φ = 11764284.

The previous prime is 13725031. The next prime is 13725077. The reversal of 13725047 is 74052731.

It is not a de Polignac number, because 13725047 - 2⁴ = 13725031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13725077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140003 + ... + 140100.

It is an arithmetic number, because the mean of its divisors is an integer number (2660988).

Almost surely, 2^13725047 is an apocalyptic number.

13725047 is a deficient number, since it is larger than the sum of its proper divisors (2240881).

13725047 is an equidigital number, since it uses as much as digits as its factorization.

13725047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280117 (or 280110 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 13725047 is about 3704.7330538110. The cubic root of 13725047 is about 239.4259835231.

Adding to 13725047 its reverse (74052731), we get a palindrome (87777778).

The spelling of 13725047 in words is "thirteen million, seven hundred twenty-five thousand, forty-seven".