13780316 has 24 divisors (see below), whose sum is σ = 26562816. Its totient is φ = 6203120.

The previous prime is 13780313. The next prime is 13780331. The reversal of 13780316 is 61308731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13780313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3245 + ... + 6171.

It is an arithmetic number, because the mean of its divisors is an integer number (1106784).

Almost surely, 2^13780316 is an apocalyptic number.

It is an amenable number.

13780316 is a deficient number, since it is larger than the sum of its proper divisors (12782500).

13780316 is a wasteful number, since it uses less digits than its factorization.

13780316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049 (or 3047 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 13780316 is about 3712.1848014343. The cubic root of 13780316 is about 239.7469323210.

The spelling of 13780316 in words is "thirteen million, seven hundred eighty thousand, three hundred sixteen".