11047487 has 4 divisors (see below), whose sum is σ = 12051816. Its totient is φ = 10043160.

The previous prime is 11047483. The next prime is 11047489. The reversal of 11047487 is 78474011.

11047487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11047487 - 2² = 11047483 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 (11047483) 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, 502148 + ... + 502169.

It is an arithmetic number, because the mean of its divisors is an integer number (3012954).

Almost surely, 2^11047487 is an apocalyptic number.

11047487 is a deficient number, since it is larger than the sum of its proper divisors (1004329).

11047487 is a wasteful number, since it uses less digits than its factorization.

11047487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004328.

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 11047487 is about 3323.7760153175. The cubic root of 11047487 is about 222.7175803691.

The spelling of 11047487 in words is "eleven million, forty-seven thousand, four hundred eighty-seven".