11112247 has 4 divisors (see below), whose sum is σ = 11412616. Its totient is φ = 10811880.

The previous prime is 11112239. The next prime is 11112251. The reversal of 11112247 is 74221111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74221111 = 41 ⋅1810271.

It is a cyclic number.

It is not a de Polignac number, because 11112247 - 2³ = 11112239 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112217) 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, 150129 + ... + 150202.

It is an arithmetic number, because the mean of its divisors is an integer number (2853154).

Almost surely, 2^11112247 is an apocalyptic number.

11112247 is a deficient number, since it is larger than the sum of its proper divisors (300369).

11112247 is an equidigital number, since it uses as much as digits as its factorization.

11112247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300368.

The product of its digits is 112, while the sum is 19.

The square root of 11112247 is about 3333.5037123123. The cubic root of 11112247 is about 223.1519204495.

Adding to 11112247 its reverse (74221111), we get a palindrome (85333358).

The spelling of 11112247 in words is "eleven million, one hundred twelve thousand, two hundred forty-seven".