12547342 has 8 divisors (see below), whose sum is σ = 18836136. Its totient is φ = 6268632.

The previous prime is 12547321. The next prime is 12547349. The reversal of 12547342 is 24374521.

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 12547342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12547349) 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, 3088 + ... + 5884.

It is an arithmetic number, because the mean of its divisors is an integer number (2354517).

Almost surely, 2^12547342 is an apocalyptic number.

12547342 is a deficient number, since it is larger than the sum of its proper divisors (6288794).

12547342 is a wasteful number, since it uses less digits than its factorization.

12547342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5042.

The product of its digits is 6720, while the sum is 28.

The square root of 12547342 is about 3542.2227485013. Note that the first 3 decimals coincide. The cubic root of 12547342 is about 232.3720620362.

The spelling of 12547342 in words is "twelve million, five hundred forty-seven thousand, three hundred forty-two".