13704047 has 16 divisors (see below), whose sum is σ = 16074240. Its totient is φ = 11441952.

The previous prime is 13704029. The next prime is 13704049. The reversal of 13704047 is 74040731.

It is a cyclic number.

It is not a de Polignac number, because 13704047 - 2¹⁶ = 13638511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13704049) 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, 59729 + ... + 59957.

It is an arithmetic number, because the mean of its divisors is an integer number (1004640).

Almost surely, 2^13704047 is an apocalyptic number.

13704047 is a deficient number, since it is larger than the sum of its proper divisors (2370193).

13704047 is a wasteful number, since it uses less digits than its factorization.

13704047 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 2352, while the sum is 26.

The square root of 13704047 is about 3701.8977565568. The cubic root of 13704047 is about 239.3038099968.

Adding to 13704047 its reverse (74040731), we get a palindrome (87744778).

The spelling of 13704047 in words is "thirteen million, seven hundred four thousand, forty-seven".