13078140 has 24 divisors (see below), whose sum is σ = 36618960. Its totient is φ = 3487488.

The previous prime is 13078133. The next prime is 13078171. The reversal of 13078140 is 4187031.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 13078140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108925 + ... + 109044.

It is an arithmetic number, because the mean of its divisors is an integer number (1525790).

Almost surely, 2^13078140 is an apocalyptic number.

13078140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13078140 is an abundant number, since it is smaller than the sum of its proper divisors (23540820).

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

13078140 is a wasteful number, since it uses less digits than its factorization.

13078140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217981 (or 217979 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 13078140 is about 3616.3711092752. The cubic root of 13078140 is about 235.6036390048.

The spelling of 13078140 in words is "thirteen million, seventy-eight thousand, one hundred forty".