13998548 has 24 divisors (see below), whose sum is σ = 26576424. Its totient is φ = 6425600.

The previous prime is 13998493. The next prime is 13998557. The reversal of 13998548 is 84589931.

It can be written as a sum of positive squares in 4 ways, for example, as 3161284 + 10837264 = 1778^2 + 3292^2 .

It is a super-2 number, since 2×13998548² = 391918692216608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278 + ... + 5298.

It is an arithmetic number, because the mean of its divisors is an integer number (1107351).

Almost surely, 2^13998548 is an apocalyptic number.

It is an amenable number.

13998548 is a deficient number, since it is larger than the sum of its proper divisors (12577876).

13998548 is a wasteful number, since it uses less digits than its factorization.

13998548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083 (or 5081 counting only the distinct ones).

The product of its digits is 311040, while the sum is 47.

The square root of 13998548 is about 3741.4633500811. The cubic root of 13998548 is about 241.0058939233.

The spelling of 13998548 in words is "thirteen million, nine hundred ninety-eight thousand, five hundred forty-eight".