12404485 has 4 divisors (see below), whose sum is σ = 14885388. Its totient is φ = 9923584.

The previous prime is 12404467. The next prime is 12404531. The reversal of 12404485 is 58440421.

12404485 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 Cunningham number, because it is equal to 3522²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58440421 = 13 ⋅4495417.

It can be written as a sum of positive squares in 2 ways, for example, as 4468996 + 7935489 = 2114^2 + 2817^2 .

It is a cyclic number.

It is not a de Polignac number, because 12404485 - 2⁵ = 12404453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240444 + ... + 1240453.

It is an arithmetic number, because the mean of its divisors is an integer number (3721347).

Almost surely, 2^12404485 is an apocalyptic number.

It is an amenable number.

12404485 is a deficient number, since it is larger than the sum of its proper divisors (2480903).

12404485 is an equidigital number, since it uses as much as digits as its factorization.

12404485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480902.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 12404485 is about 3522.0001419648. Note that the first 3 decimals coincide. The cubic root of 12404485 is about 231.4868078198.

The spelling of 12404485 in words is "twelve million, four hundred four thousand, four hundred eighty-five".