12404743 has 8 divisors (see below), whose sum is σ = 13790336. Its totient is φ = 11080800.

The previous prime is 12404729. The next prime is 12404761. The reversal of 12404743 is 34740421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12404743 - 2¹⁷ = 12273671 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 (12404723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14988 + ... + 15793.

It is an arithmetic number, because the mean of its divisors is an integer number (1723792).

Almost surely, 2^12404743 is an apocalyptic number.

12404743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12404743 is a deficient number, since it is larger than the sum of its proper divisors (1385593).

12404743 is a wasteful number, since it uses less digits than its factorization.

12404743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30825.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 12404743 is about 3522.0367686894. The cubic root of 12404743 is about 231.4884127012.

The spelling of 12404743 in words is "twelve million, four hundred four thousand, seven hundred forty-three".