11506047 has 16 divisors (see below), whose sum is σ = 17782272. Its totient is φ = 6481440.

The previous prime is 11505997. The next prime is 11506087. The reversal of 11506047 is 74060511.

It is not a de Polignac number, because 11506047 - 2⁷ = 11505919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11506087) 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, 2368 + ... + 5349.

It is an arithmetic number, because the mean of its divisors is an integer number (1111392).

Almost surely, 2^11506047 is an apocalyptic number.

11506047 is a deficient number, since it is larger than the sum of its proper divisors (6276225).

11506047 is an equidigital number, since it uses as much as digits as its factorization.

11506047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7798.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 11506047 is about 3392.0564558981. The cubic root of 11506047 is about 225.7574276231.

Adding to 11506047 its reverse (74060511), we get a palindrome (85566558).

The spelling of 11506047 in words is "eleven million, five hundred six thousand, forty-seven".