11249047 has 16 divisors (see below), whose sum is σ = 12257280. Its totient is φ = 10296000.

The previous prime is 11249039. The next prime is 11249057. The reversal of 11249047 is 74094211.

It is a cyclic number.

It is not a de Polignac number, because 11249047 - 2³ = 11249039 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 (11249057) 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, 74422 + ... + 74572.

It is an arithmetic number, because the mean of its divisors is an integer number (766080).

Almost surely, 2^11249047 is an apocalyptic number.

11249047 is a deficient number, since it is larger than the sum of its proper divisors (1008233).

11249047 is a wasteful number, since it uses less digits than its factorization.

11249047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 11249047 is about 3353.9598983888. The cubic root of 11249047 is about 224.0639100696.

The spelling of 11249047 in words is "eleven million, two hundred forty-nine thousand, forty-seven".