12479747 has 8 divisors (see below), whose sum is σ = 14295552. Its totient is φ = 10672200.

The previous prime is 12479723. The next prime is 12479759. The reversal of 12479747 is 74797421.

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

It is not a de Polignac number, because 12479747 - 2¹⁰ = 12478723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12479707) 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 7 ways as a sum of consecutive naturals, for example, 1622 + ... + 5252.

It is an arithmetic number, because the mean of its divisors is an integer number (1786944).

Almost surely, 2^12479747 is an apocalyptic number.

12479747 is a deficient number, since it is larger than the sum of its proper divisors (1815805).

12479747 is an equidigital number, since it uses as much as digits as its factorization.

12479747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129.

The product of its digits is 98784, while the sum is 41.

The square root of 12479747 is about 3532.6685380885. The cubic root of 12479747 is about 231.9540324604.

The spelling of 12479747 in words is "twelve million, four hundred seventy-nine thousand, seven hundred forty-seven".