13328147 has 6 divisors (see below), whose sum is σ = 15504228. Its totient is φ = 11424084.

The previous prime is 13328141. The next prime is 13328149. The reversal of 13328147 is 74182331.

It is not a de Polignac number, because 13328147 - 2⁴ = 13328131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13328141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135953 + ... + 136050.

It is an arithmetic number, because the mean of its divisors is an integer number (2584038).

Almost surely, 2^13328147 is an apocalyptic number.

13328147 is a deficient number, since it is larger than the sum of its proper divisors (2176081).

13328147 is an equidigital number, since it uses as much as digits as its factorization.

13328147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272017 (or 272010 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 13328147 is about 3650.7734796889. The cubic root of 13328147 is about 237.0954709216.

The spelling of 13328147 in words is "thirteen million, three hundred twenty-eight thousand, one hundred forty-seven".