13678344 has 24 divisors (see below), whose sum is σ = 37045710. Its totient is φ = 4559424.

The previous prime is 13678333. The next prime is 13678361. The reversal of 13678344 is 44387631.

It can be written as a sum of positive squares in only one way, i.e., 9922500 + 3755844 = 3150^2 + 1938^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13678299 and 13678308.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94917 + ... + 95060.

Almost surely, 2^13678344 is an apocalyptic number.

It is an amenable number.

13678344 is an abundant number, since it is smaller than the sum of its proper divisors (23367366).

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

13678344 is a wasteful number, since it uses less digits than its factorization.

13678344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189989 (or 189982 counting only the distinct ones).

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

The square root of 13678344 is about 3698.4245294449. The cubic root of 13678344 is about 239.1541054293.

The spelling of 13678344 in words is "thirteen million, six hundred seventy-eight thousand, three hundred forty-four".