12479532 has 24 divisors (see below), whose sum is σ = 31359216. Its totient is φ = 3839808.

The previous prime is 12479531. The next prime is 12479543. The reversal of 12479532 is 23597421.

It is a junction number, because it is equal to n+sod(n) for n = 12479493 and 12479502.

It is not an unprimeable number, because it can be changed into a prime (12479531) 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, 39843 + ... + 40154.

It is an arithmetic number, because the mean of its divisors is an integer number (1306634).

Almost surely, 2^12479532 is an apocalyptic number.

12479532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12479532 is an abundant number, since it is smaller than the sum of its proper divisors (18879684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12479532 is a wasteful number, since it uses less digits than its factorization.

12479532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80017 (or 80015 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 12479532 is about 3532.6381077036. The cubic root of 12479532 is about 231.9527004247.

The spelling of 12479532 in words is "twelve million, four hundred seventy-nine thousand, five hundred thirty-two".