13272147 has 16 divisors (see below), whose sum is σ = 22471680. Its totient is φ = 7583976.

The previous prime is 13272143. The next prime is 13272157. The reversal of 13272147 is 74127231.

It is a happy number.

It is not a de Polignac number, because 13272147 - 2² = 13272143 is a prime.

It is a super-2 number, since 2×13272147² = 352299771979218, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 13272147.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13272143) 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, 34923 + ... + 35300.

It is an arithmetic number, because the mean of its divisors is an integer number (1404480).

Almost surely, 2^13272147 is an apocalyptic number.

13272147 is a deficient number, since it is larger than the sum of its proper divisors (9199533).

13272147 is an equidigital number, since it uses as much as digits as its factorization.

13272147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70239 (or 70233 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 13272147 is about 3643.0957989051. The cubic root of 13272147 is about 236.7629419407.

Adding to 13272147 its reverse (74127231), we get a palindrome (87399378).

The spelling of 13272147 in words is "thirteen million, two hundred seventy-two thousand, one hundred forty-seven".