12309124 has 6 divisors (see below), whose sum is σ = 21540974. Its totient is φ = 6154560.

The previous prime is 12309119. The next prime is 12309133. The reversal of 12309124 is 42190321.

12309124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10771524 + 1537600 = 3282^2 + 1240^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12309095 and 12309104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1538637 + ... + 1538644.

Almost surely, 2^12309124 is an apocalyptic number.

It is an amenable number.

12309124 is a deficient number, since it is larger than the sum of its proper divisors (9231850).

12309124 is a wasteful number, since it uses less digits than its factorization.

12309124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077285 (or 3077283 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 12309124 is about 3508.4361188427. The cubic root of 12309124 is about 230.8920867993.

Adding to 12309124 its reverse (42190321), we get a palindrome (54499445).

It can be divided in two parts, 12 and 309124, that added together give a square (309136 = 556²).

The spelling of 12309124 in words is "twelve million, three hundred nine thousand, one hundred twenty-four".