11447671 has 8 divisors (see below), whose sum is σ = 12090800. Its totient is φ = 10838664.

The previous prime is 11447669. The next prime is 11447677. The reversal of 11447671 is 17674411.

It is not a de Polignac number, because 11447671 - 2¹ = 11447669 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 (11447677) 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, 6025 + ... + 7693.

It is an arithmetic number, because the mean of its divisors is an integer number (1511350).

Almost surely, 2^11447671 is an apocalyptic number.

11447671 is a deficient number, since it is larger than the sum of its proper divisors (643129).

11447671 is an frugal number, since it uses more digits than its factorization.

11447671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726 (or 1688 counting only the distinct ones).

The product of its digits is 4704, while the sum is 31.

The square root of 11447671 is about 3383.4407043718. The cubic root of 11447671 is about 225.3749862214.

The spelling of 11447671 in words is "eleven million, four hundred forty-seven thousand, six hundred seventy-one".