13331147 has 8 divisors (see below), whose sum is σ = 13805952. Its totient is φ = 12859200.

The previous prime is 13331119. The next prime is 13331167. The reversal of 13331147 is 74113331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13331147 - 2¹⁶ = 13265611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13331107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13697 + ... + 14637.

It is an arithmetic number, because the mean of its divisors is an integer number (1725744).

Almost surely, 2^13331147 is an apocalyptic number.

13331147 is a deficient number, since it is larger than the sum of its proper divisors (474805).

13331147 is an equidigital number, since it uses as much as digits as its factorization.

13331147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429.

The product of its digits is 756, while the sum is 23.

The square root of 13331147 is about 3651.1843284063. The cubic root of 13331147 is about 237.1132586669.

Adding to 13331147 its reverse (74113331), we get a palindrome (87444478).

The spelling of 13331147 in words is "thirteen million, three hundred thirty-one thousand, one hundred forty-seven".