12707742 has 32 divisors (see below), whose sum is σ = 26496000. Its totient is φ = 4058208.

The previous prime is 12707729. The next prime is 12707749. The reversal of 12707742 is 24770721.

It is a super-2 number, since 2×12707742² = 322973413477128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12707749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34443 + ... + 34809.

It is an arithmetic number, because the mean of its divisors is an integer number (828000).

Almost surely, 2^12707742 is an apocalyptic number.

12707742 is an abundant number, since it is smaller than the sum of its proper divisors (13788258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12707742 is a wasteful number, since it uses less digits than its factorization.

12707742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600.

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 12707742 is about 3564.7919995422. The cubic root of 12707742 is about 233.3580549770.

The spelling of 12707742 in words is "twelve million, seven hundred seven thousand, seven hundred forty-two".