12474321 has 16 divisors (see below), whose sum is σ = 17356800. Its totient is φ = 7959168.

The previous prime is 12474299. The next prime is 12474347. The reversal of 12474321 is 12347421.

It is a happy number.

It is not a de Polignac number, because 12474321 - 2¹⁰ = 12473297 is a prime.

It is a super-3 number, since 3×12474321³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 12474291 and 12474300.

It is not an unprimeable number, because it can be changed into a prime (12474361) 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, 10485 + ... + 11613.

It is an arithmetic number, because the mean of its divisors is an integer number (1084800).

Almost surely, 2^12474321 is an apocalyptic number.

It is an amenable number.

12474321 is a deficient number, since it is larger than the sum of its proper divisors (4882479).

12474321 is a wasteful number, since it uses less digits than its factorization.

12474321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288.

The product of its digits is 1344, while the sum is 24.

The square root of 12474321 is about 3531.9004799116. The cubic root of 12474321 is about 231.9204109180.

The spelling of 12474321 in words is "twelve million, four hundred seventy-four thousand, three hundred twenty-one".