12386742 has 16 divisors (see below), whose sum is σ = 25850880. Its totient is φ = 3949352.

The previous prime is 12386711. The next prime is 12386743. The reversal of 12386742 is 24768321.

12386742 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12386743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44742 + ... + 45017.

It is an arithmetic number, because the mean of its divisors is an integer number (1615680).

Almost surely, 2^12386742 is an apocalyptic number.

12386742 is an abundant number, since it is smaller than the sum of its proper divisors (13464138).

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

12386742 is a wasteful number, since it uses less digits than its factorization.

12386742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89787.

The product of its digits is 16128, while the sum is 33.

The square root of 12386742 is about 3519.4803593713. The cubic root of 12386742 is about 231.3763845792.

The spelling of 12386742 in words is "twelve million, three hundred eighty-six thousand, seven hundred forty-two".