13238147 has 16 divisors (see below), whose sum is σ = 14902272. Its totient is φ = 11676960.

The previous prime is 13238129. The next prime is 13238149. The reversal of 13238147 is 74183231.

It is a cyclic number.

It is not a de Polignac number, because 13238147 - 2¹⁶ = 13172611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13238149) 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, 42968 + ... + 43274.

It is an arithmetic number, because the mean of its divisors is an integer number (931392).

Almost surely, 2^13238147 is an apocalyptic number.

13238147 is a deficient number, since it is larger than the sum of its proper divisors (1664125).

13238147 is a wasteful number, since it uses less digits than its factorization.

13238147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458.

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

The square root of 13238147 is about 3638.4264455943. The cubic root of 13238147 is about 236.5605927699.

The spelling of 13238147 in words is "thirteen million, two hundred thirty-eight thousand, one hundred forty-seven".