13829980 has 12 divisors (see below), whose sum is σ = 29043000. Its totient is φ = 5531984.

The previous prime is 13829947. The next prime is 13829987. The reversal of 13829980 is 8992831.

13829980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13829987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345730 + ... + 345769.

It is an arithmetic number, because the mean of its divisors is an integer number (2420250).

Almost surely, 2^13829980 is an apocalyptic number.

13829980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13829980 is an abundant number, since it is smaller than the sum of its proper divisors (15213020).

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

13829980 is a wasteful number, since it uses less digits than its factorization.

13829980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691508 (or 691506 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 13829980 is about 3718.8681073682. The cubic root of 13829980 is about 240.0346014926.

The spelling of 13829980 in words is "thirteen million, eight hundred twenty-nine thousand, nine hundred eighty".