12571742 has 8 divisors (see below), whose sum is σ = 18912096. Its totient is φ = 6267712.

The previous prime is 12571739. The next prime is 12571747. The reversal of 12571742 is 24717521.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12571747) 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, 8198 + ... + 9609.

It is an arithmetic number, because the mean of its divisors is an integer number (2364012).

Almost surely, 2^12571742 is an apocalyptic number.

12571742 is a deficient number, since it is larger than the sum of its proper divisors (6340354).

12571742 is a wasteful number, since it uses less digits than its factorization.

12571742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18162.

The product of its digits is 3920, while the sum is 29.

The square root of 12571742 is about 3545.6652408258. The cubic root of 12571742 is about 232.5225907829.

The spelling of 12571742 in words is "twelve million, five hundred seventy-one thousand, seven hundred forty-two".