12404293 has 4 divisors (see below), whose sum is σ = 13531968. Its totient is φ = 11276620.

The previous prime is 12404281. The next prime is 12404299. The reversal of 12404293 is 39240421.

12404293 is digitally balanced in base 2, because in such base 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 12404293 - 2¹³ = 12396101 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 (12404299) 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, 563821 + ... + 563842.

It is an arithmetic number, because the mean of its divisors is an integer number (3382992).

Almost surely, 2^12404293 is an apocalyptic number.

It is an amenable number.

12404293 is a deficient number, since it is larger than the sum of its proper divisors (1127675).

12404293 is a wasteful number, since it uses less digits than its factorization.

12404293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127674.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 12404293 is about 3521.9728846202. The cubic root of 12404293 is about 231.4856134750.

The spelling of 12404293 in words is "twelve million, four hundred four thousand, two hundred ninety-three".