13830988 has 12 divisors (see below), whose sum is σ = 24234112. Its totient is φ = 6906960.

The previous prime is 13830983. The next prime is 13830989. The reversal of 13830988 is 88903831.

It is a super-2 number, since 2×13830988² = 382592458112288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13830988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13830983) 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 3 ways as a sum of consecutive naturals, for example, 2758 + ... + 5938.

Almost surely, 2^13830988 is an apocalyptic number.

It is an amenable number.

13830988 is a deficient number, since it is larger than the sum of its proper divisors (10403124).

13830988 is a wasteful number, since it uses less digits than its factorization.

13830988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272 (or 4270 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 13830988 is about 3719.0036300063. The cubic root of 13830988 is about 240.0404330027.

The spelling of 13830988 in words is "thirteen million, eight hundred thirty thousand, nine hundred eighty-eight".