11725847 has 12 divisors (see below), whose sum is σ = 13867416. Its totient is φ = 9883440.

The previous prime is 11725841. The next prime is 11725867. The reversal of 11725847 is 74852711.

It is a de Polignac number, because none of the positive numbers 2^k-11725847 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 (11725841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1028 + ... + 4950.

It is an arithmetic number, because the mean of its divisors is an integer number (1155618).

Almost surely, 2^11725847 is an apocalyptic number.

11725847 is a deficient number, since it is larger than the sum of its proper divisors (2141569).

11725847 is an equidigital number, since it uses as much as digits as its factorization.

11725847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3998 (or 3991 counting only the distinct ones).

The product of its digits is 15680, while the sum is 35.

The square root of 11725847 is about 3424.3024107108. The cubic root of 11725847 is about 227.1859176680.

The spelling of 11725847 in words is "eleven million, seven hundred twenty-five thousand, eight hundred forty-seven".