13443678 has 32 divisors (see below), whose sum is σ = 31449600. Its totient is φ = 4245048.

The previous prime is 13443671. The next prime is 13443701. The reversal of 13443678 is 87634431.

13443678 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 (13443671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5526 + ... + 7577.

It is an arithmetic number, because the mean of its divisors is an integer number (982800).

Almost surely, 2^13443678 is an apocalyptic number.

13443678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13443678 is an abundant number, since it is smaller than the sum of its proper divisors (18005922).

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

13443678 is a wasteful number, since it uses less digits than its factorization.

13443678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13133 (or 13127 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 13443678 is about 3666.5621500256. The cubic root of 13443678 is about 237.7785643714.

The spelling of 13443678 in words is "thirteen million, four hundred forty-three thousand, six hundred seventy-eight".