12047438 has 8 divisors (see below), whose sum is σ = 19461288. Its totient is φ = 5560344.

The previous prime is 12047429. The next prime is 12047447. The reversal of 12047438 is 83474021.

It is an interprime number because it is at equal distance from previous prime (12047429) and next prime (12047447).

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

It is a self number, because there is not a number n which added to its sum of digits gives 12047438.

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, 231656 + ... + 231707.

It is an arithmetic number, because the mean of its divisors is an integer number (2432661).

Almost surely, 2^12047438 is an apocalyptic number.

12047438 is a deficient number, since it is larger than the sum of its proper divisors (7413850).

12047438 is a wasteful number, since it uses less digits than its factorization.

12047438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463378.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 12047438 is about 3470.9419470801. The cubic root of 12047438 is about 229.2441349260.

The spelling of 12047438 in words is "twelve million, forty-seven thousand, four hundred thirty-eight".