13784730 has 32 divisors (see below), whose sum is σ = 33264000. Its totient is φ = 3655872.

The previous prime is 13784713. The next prime is 13784761. The reversal of 13784730 is 3748731.

13784730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13784691 and 13784700.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4816 + ... + 7124.

It is an arithmetic number, because the mean of its divisors is an integer number (1039500).

Almost surely, 2^13784730 is an apocalyptic number.

13784730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13784730 is an abundant number, since it is smaller than the sum of its proper divisors (19479270).

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

13784730 is a wasteful number, since it uses less digits than its factorization.

13784730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 13784730 is about 3712.7792824244. The cubic root of 13784730 is about 239.7725275248.

The spelling of 13784730 in words is "thirteen million, seven hundred eighty-four thousand, seven hundred thirty".