11247671 has 4 divisors (see below), whose sum is σ = 11256312. Its totient is φ = 11239032.

The previous prime is 11247631. The next prime is 11247683. The reversal of 11247671 is 17674211.

11247671 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11247671 - 2²² = 7053367 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 (11247631) 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, 1925 + ... + 5118.

It is an arithmetic number, because the mean of its divisors is an integer number (2814078).

Almost surely, 2^11247671 is an apocalyptic number.

11247671 is a deficient number, since it is larger than the sum of its proper divisors (8641).

11247671 is an equidigital number, since it uses as much as digits as its factorization.

11247671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8640.

The product of its digits is 2352, while the sum is 29.

The square root of 11247671 is about 3353.7547614577. The cubic root of 11247671 is about 224.0547737546.

The spelling of 11247671 in words is "eleven million, two hundred forty-seven thousand, six hundred seventy-one".