13821098 has 8 divisors (see below), whose sum is σ = 20792100. Its totient is φ = 6890400.

The previous prime is 13821079. The next prime is 13821121. The reversal of 13821098 is 89012831.

13821098 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12866569 + 954529 = 3587^2 + 977^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9203 + ... + 10598.

Almost surely, 2^13821098 is an apocalyptic number.

13821098 is a deficient number, since it is larger than the sum of its proper divisors (6971002).

13821098 is a wasteful number, since it uses less digits than its factorization.

13821098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20152.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 13821098 is about 3717.6737350123. The cubic root of 13821098 is about 239.9832048432.

The spelling of 13821098 in words is "thirteen million, eight hundred twenty-one thousand, ninety-eight".