13601147 has 4 divisors (see below), whose sum is σ = 15544176. Its totient is φ = 11658120.

The previous prime is 13601143. The next prime is 13601149. The reversal of 13601147 is 74110631.

13601147 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13601147 - 2² = 13601143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13601143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971504 + ... + 971517.

It is an arithmetic number, because the mean of its divisors is an integer number (3886044).

Almost surely, 2^13601147 is an apocalyptic number.

13601147 is a deficient number, since it is larger than the sum of its proper divisors (1943029).

13601147 is an equidigital number, since it uses as much as digits as its factorization.

13601147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943028.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 13601147 is about 3687.9732916603. The cubic root of 13601147 is about 238.7033486146.

Adding to 13601147 its reverse (74110631), we get a palindrome (87711778).

The spelling of 13601147 in words is "thirteen million, six hundred one thousand, one hundred forty-seven".