11713847 has 4 divisors (see below), whose sum is σ = 11754120. Its totient is φ = 11673576.

The previous prime is 11713843. The next prime is 11713853. The reversal of 11713847 is 74831711.

It is a happy number.

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 11713847 - 2² = 11713843 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 (11713841) 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, 19697 + ... + 20282.

It is an arithmetic number, because the mean of its divisors is an integer number (2938530).

Almost surely, 2^11713847 is an apocalyptic number.

11713847 is a deficient number, since it is larger than the sum of its proper divisors (40273).

11713847 is an equidigital number, since it uses as much as digits as its factorization.

11713847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40272.

The product of its digits is 4704, while the sum is 32.

The square root of 11713847 is about 3422.5497804999. The cubic root of 11713847 is about 227.1083920237.

The spelling of 11713847 in words is "eleven million, seven hundred thirteen thousand, eight hundred forty-seven".