13601047 has 4 divisors (see below), whose sum is σ = 13733200. Its totient is φ = 13468896.

The previous prime is 13601009. The next prime is 13601051. The reversal of 13601047 is 74010631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74010631 = 53 ⋅1396427.

It is a cyclic number.

It is not a de Polignac number, because 13601047 - 2¹⁹ = 13076759 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 (13601057) 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 in 3 ways as a sum of consecutive naturals, for example, 65922 + ... + 66127.

It is an arithmetic number, because the mean of its divisors is an integer number (3433300).

Almost surely, 2^13601047 is an apocalyptic number.

13601047 is a deficient number, since it is larger than the sum of its proper divisors (132153).

13601047 is a wasteful number, since it uses less digits than its factorization.

13601047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132152.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 13601047 is about 3687.9597340535. The cubic root of 13601047 is about 238.7027636053.

Adding to 13601047 its reverse (74010631), we get a palindrome (87611678).

The spelling of 13601047 in words is "thirteen million, six hundred one thousand, forty-seven".