13678380 has 36 divisors (see below), whose sum is σ = 41491632. Its totient is φ = 3647520.

The previous prime is 13678373. The next prime is 13678403. The reversal of 13678380 is 8387631.

13678380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37816 + ... + 38175.

Almost surely, 2^13678380 is an apocalyptic number.

13678380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13678380 is an abundant number, since it is smaller than the sum of its proper divisors (27813252).

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

13678380 is a wasteful number, since it uses less digits than its factorization.

13678380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76006 (or 76001 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 13678380 is about 3698.4293963790. The cubic root of 13678380 is about 239.1543152388.

The spelling of 13678380 in words is "thirteen million, six hundred seventy-eight thousand, three hundred eighty".