11487047 has 8 divisors (see below), whose sum is σ = 13495440. Its totient is φ = 9639360.

The previous prime is 11487043. The next prime is 11487067. The reversal of 11487047 is 74078411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11487047 - 2² = 11487043 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 (11487041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40022 + ... + 40307.

It is an arithmetic number, because the mean of its divisors is an integer number (1686930).

Almost surely, 2^11487047 is an apocalyptic number.

11487047 is a deficient number, since it is larger than the sum of its proper divisors (2008393).

11487047 is a wasteful number, since it uses less digits than its factorization.

11487047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80353.

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

The square root of 11487047 is about 3389.2546378223. The cubic root of 11487047 is about 225.6330943247.

The spelling of 11487047 in words is "eleven million, four hundred eighty-seven thousand, forty-seven".