12479547 has 16 divisors (see below), whose sum is σ = 18385920. Its totient is φ = 7489152.

The previous prime is 12479543. The next prime is 12479549. The reversal of 12479547 is 74597421.

It is not a de Polignac number, because 12479547 - 2² = 12479543 is a prime.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12479543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4147 + ... + 6492.

It is an arithmetic number, because the mean of its divisors is an integer number (1149120).

Almost surely, 2^12479547 is an apocalyptic number.

12479547 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12479547 is a deficient number, since it is larger than the sum of its proper divisors (5906373).

12479547 is a wasteful number, since it uses less digits than its factorization.

12479547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10682.

The product of its digits is 70560, while the sum is 39.

The square root of 12479547 is about 3532.6402307623. The cubic root of 12479547 is about 231.9527933579.

The spelling of 12479547 in words is "twelve million, four hundred seventy-nine thousand, five hundred forty-seven".