13906342 has 4 divisors (see below), whose sum is σ = 20859516. Its totient is φ = 6953170.

The previous prime is 13906327. The next prime is 13906349. The reversal of 13906342 is 24360931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24360931 = 7 ⋅3480133.

It is a self number, because there is not a number n which added to its sum of digits gives 13906342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13906349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3476584 + ... + 3476587.

It is an arithmetic number, because the mean of its divisors is an integer number (5214879).

Almost surely, 2^13906342 is an apocalyptic number.

13906342 is a deficient number, since it is larger than the sum of its proper divisors (6953174).

13906342 is an equidigital number, since it uses as much as digits as its factorization.

13906342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6953173.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 13906342 is about 3729.1208079117. The cubic root of 13906342 is about 240.4755732068.

The spelling of 13906342 in words is "thirteen million, nine hundred six thousand, three hundred forty-two".