11275047 has 36 divisors (see below), whose sum is σ = 19485336. Its totient is φ = 6259680.

The previous prime is 11275021. The next prime is 11275051. The reversal of 11275047 is 74057211.

It is not a de Polignac number, because 11275047 - 2⁷ = 11274919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11275047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11275087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15972 + ... + 16662.

Almost surely, 2^11275047 is an apocalyptic number.

11275047 is a deficient number, since it is larger than the sum of its proper divisors (8210289).

11275047 is a wasteful number, since it uses less digits than its factorization.

11275047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 11275047 is about 3357.8336766433. The cubic root of 11275047 is about 224.2364040631.

The spelling of 11275047 in words is "eleven million, two hundred seventy-five thousand, forty-seven".