11238147 has 12 divisors (see below), whose sum is σ = 16262064. Its totient is φ = 7478640.

The previous prime is 11238133. The next prime is 11238163. The reversal of 11238147 is 74183211.

11238147 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11238147 - 2⁶ = 11238083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11238147.

It is not an unprimeable number, because it can be changed into a prime (11238187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8578 + ... + 9800.

It is an arithmetic number, because the mean of its divisors is an integer number (1355172).

Almost surely, 2^11238147 is an apocalyptic number.

11238147 is a deficient number, since it is larger than the sum of its proper divisors (5023917).

11238147 is a wasteful number, since it uses less digits than its factorization.

11238147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250 (or 2247 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 11238147 is about 3352.3345596763. The cubic root of 11238147 is about 223.9915162072.

The spelling of 11238147 in words is "eleven million, two hundred thirty-eight thousand, one hundred forty-seven".