13443934 has 12 divisors (see below), whose sum is σ = 23458464. Its totient is φ = 5761644.

The previous prime is 13443929. The next prime is 13443943. The reversal of 13443934 is 43934431.

It is a super-2 number, since 2×13443934² = 361478722792712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13443896 and 13443905.

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 5 ways as a sum of consecutive naturals, for example, 68494 + ... + 68689.

It is an arithmetic number, because the mean of its divisors is an integer number (1954872).

Almost surely, 2^13443934 is an apocalyptic number.

13443934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13443934 is a deficient number, since it is larger than the sum of its proper divisors (10014530).

13443934 is a wasteful number, since it uses less digits than its factorization.

13443934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137199 (or 137192 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 13443934 is about 3666.5970599454. The cubic root of 13443934 is about 237.7800736540.

The spelling of 13443934 in words is "thirteen million, four hundred forty-three thousand, nine hundred thirty-four".