13067780 has 24 divisors (see below), whose sum is σ = 29937600. Its totient is φ = 4751840.

The previous prime is 13067773. The next prime is 13067797. The reversal of 13067780 is 8776031.

It is a happy 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, 29480 + ... + 29919.

It is an arithmetic number, because the mean of its divisors is an integer number (1247400).

Almost surely, 2^13067780 is an apocalyptic number.

13067780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13067780 is an abundant number, since it is smaller than the sum of its proper divisors (16869820).

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

13067780 is a wasteful number, since it uses less digits than its factorization.

13067780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59419 (or 59417 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 13067780 is about 3614.9384503751. The cubic root of 13067780 is about 235.5414105202.

The spelling of 13067780 in words is "thirteen million, sixty-seven thousand, seven hundred eighty".