13906343 has 4 divisors (see below), whose sum is σ = 15170568. Its totient is φ = 12642120.

The previous prime is 13906327. The next prime is 13906349. The reversal of 13906343 is 34360931.

13906343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34360931 = 11 ⋅3123721.

It is a cyclic number.

It is not a de Polignac number, because 13906343 - 2⁴ = 13906327 is a prime.

It is a Duffinian number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632096 + ... + 632117.

It is an arithmetic number, because the mean of its divisors is an integer number (3792642).

Almost surely, 2^13906343 is an apocalyptic number.

13906343 is a deficient number, since it is larger than the sum of its proper divisors (1264225).

13906343 is a wasteful number, since it uses less digits than its factorization.

13906343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264224.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 13906343 is about 3729.1209419916. The cubic root of 13906343 is about 240.4755789709.

The spelling of 13906343 in words is "thirteen million, nine hundred six thousand, three hundred forty-three".