13784330 has 16 divisors (see below), whose sum is σ = 28356480. Its totient is φ = 4726032.

The previous prime is 13784321. The next prime is 13784333. The reversal of 13784330 is 3348731.

It is a junction number, because it is equal to n+sod(n) for n = 13784293 and 13784302.

It is not an unprimeable number, because it can be changed into a prime (13784333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98390 + ... + 98529.

It is an arithmetic number, because the mean of its divisors is an integer number (1772280).

Almost surely, 2^13784330 is an apocalyptic number.

13784330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13784330 is an abundant number, since it is smaller than the sum of its proper divisors (14572150).

13784330 is a wasteful number, since it uses less digits than its factorization.

13784330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196933.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 13784330 is about 3712.7254140321. The cubic root of 13784330 is about 239.7702082933.

The spelling of 13784330 in words is "thirteen million, seven hundred eighty-four thousand, three hundred thirty".