11238247 has 4 divisors (see below), whose sum is σ = 11320416. Its totient is φ = 11156080.

The previous prime is 11238239. The next prime is 11238257. The reversal of 11238247 is 74283211.

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

It is a cyclic number.

It is not a de Polignac number, because 11238247 - 2³ = 11238239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11238257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40879 + ... + 41152.

It is an arithmetic number, because the mean of its divisors is an integer number (2830104).

Almost surely, 2^11238247 is an apocalyptic number.

11238247 is a deficient number, since it is larger than the sum of its proper divisors (82169).

11238247 is an equidigital number, since it uses as much as digits as its factorization.

11238247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82168.

The product of its digits is 2688, while the sum is 28.

The square root of 11238247 is about 3352.3494746222. The cubic root of 11238247 is about 223.9921805838.

The spelling of 11238247 in words is "eleven million, two hundred thirty-eight thousand, two hundred forty-seven".