13998828 has 12 divisors (see below), whose sum is σ = 32663960. Its totient is φ = 4666272.

The previous prime is 13998827. The next prime is 13998841. The reversal of 13998828 is 82889931.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (13998823) 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, 583273 + ... + 583296.

Almost surely, 2^13998828 is an apocalyptic number.

It is an amenable number.

13998828 is an abundant number, since it is smaller than the sum of its proper divisors (18665132).

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

13998828 is a wasteful number, since it uses less digits than its factorization.

13998828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166576 (or 1166574 counting only the distinct ones).

The product of its digits is 248832, while the sum is 48.

The square root of 13998828 is about 3741.5007684083. The cubic root of 13998828 is about 241.0075007852.

The spelling of 13998828 in words is "thirteen million, nine hundred ninety-eight thousand, eight hundred twenty-eight".