13386742 has 8 divisors (see below), whose sum is σ = 20279232. Its totient is φ = 6627000.

The previous prime is 13386733. The next prime is 13386767. The reversal of 13386742 is 24768331.

It is a happy number.

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

It is a super-2 number, since 2×13386742² = 358409722749128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13386698 and 13386707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32934 + ... + 33337.

It is an arithmetic number, because the mean of its divisors is an integer number (2534904).

Almost surely, 2^13386742 is an apocalyptic number.

13386742 is a deficient number, since it is larger than the sum of its proper divisors (6892490).

13386742 is a wasteful number, since it uses less digits than its factorization.

13386742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66374.

The product of its digits is 24192, while the sum is 34.

The square root of 13386742 is about 3658.7896905944. The cubic root of 13386742 is about 237.4424133696.

The spelling of 13386742 in words is "thirteen million, three hundred eighty-six thousand, seven hundred forty-two".