12484909 has 4 divisors (see below), whose sum is σ = 12887680. Its totient is φ = 12082140.

The previous prime is 12484907. The next prime is 12484933. The reversal of 12484909 is 90948421.

It is a happy number.

12484909 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12484909 - 2¹ = 12484907 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12484907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201339 + ... + 201400.

It is an arithmetic number, because the mean of its divisors is an integer number (3221920).

Almost surely, 2^12484909 is an apocalyptic number.

It is an amenable number.

12484909 is a deficient number, since it is larger than the sum of its proper divisors (402771).

12484909 is an equidigital number, since it uses as much as digits as its factorization.

12484909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402770.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 12484909 is about 3533.3990717155. The cubic root of 12484909 is about 231.9860091147.

The spelling of 12484909 in words is "twelve million, four hundred eighty-four thousand, nine hundred nine".