13653147 has 4 divisors (see below), whose sum is σ = 18204200. Its totient is φ = 9102096.

The previous prime is 13653137. The next prime is 13653149. The reversal of 13653147 is 74135631.

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

It is not a de Polignac number, because 13653147 - 2⁶ = 13653083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13653149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2275522 + ... + 2275527.

It is an arithmetic number, because the mean of its divisors is an integer number (4551050).

Almost surely, 2^13653147 is an apocalyptic number.

13653147 is a deficient number, since it is larger than the sum of its proper divisors (4551053).

13653147 is an equidigital number, since it uses as much as digits as its factorization.

13653147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4551052.

The product of its digits is 7560, while the sum is 30.

The square root of 13653147 is about 3695.0165087588. The cubic root of 13653147 is about 239.0071658595.

Adding to 13653147 its reverse (74135631), we get a palindrome (87788778).

The spelling of 13653147 in words is "thirteen million, six hundred fifty-three thousand, one hundred forty-seven".