11120647 has 4 divisors (see below), whose sum is σ = 11164176. Its totient is φ = 11077120.

The previous prime is 11120633. The next prime is 11120653. The reversal of 11120647 is 74602111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74602111 = 53 ⋅1407587.

It is a cyclic number.

It is not a de Polignac number, because 11120647 - 2⁷ = 11120519 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 (11120657) 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, 21379 + ... + 21892.

It is an arithmetic number, because the mean of its divisors is an integer number (2791044).

Almost surely, 2^11120647 is an apocalyptic number.

11120647 is a deficient number, since it is larger than the sum of its proper divisors (43529).

11120647 is an equidigital number, since it uses as much as digits as its factorization.

11120647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43528.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 11120647 is about 3334.7634098988. The cubic root of 11120647 is about 223.2081348230.

Adding to 11120647 its reverse (74602111), we get a palindrome (85722758).

The spelling of 11120647 in words is "eleven million, one hundred twenty thousand, six hundred forty-seven".