13935047 has 16 divisors (see below), whose sum is σ = 16343040. Its totient is φ = 11636352.

The previous prime is 13935041. The next prime is 13935059. The reversal of 13935047 is 74053931.

It is a happy number.

13935047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-13935047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13935041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62378 + ... + 62600.

It is an arithmetic number, because the mean of its divisors is an integer number (1021440).

Almost surely, 2^13935047 is an apocalyptic number.

13935047 is a deficient number, since it is larger than the sum of its proper divisors (2407993).

13935047 is a wasteful number, since it uses less digits than its factorization.

13935047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 13935047 is about 3732.9675862509. The cubic root of 13935047 is about 240.6409200014.

Adding to 13935047 its reverse (74053931), we get a palindrome (87988978).

The spelling of 13935047 in words is "thirteen million, nine hundred thirty-five thousand, forty-seven".