13604148 has 36 divisors (see below), whose sum is σ = 36412740. Its totient is φ = 4267776.

The previous prime is 13604117. The next prime is 13604167. The reversal of 13604148 is 84140631.

13604148 is a `hidden beast` number, since 13 + 604 + 1 + 48 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7193124 + 6411024 = 2682^2 + 2532^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 10503 + ... + 11726.

It is an arithmetic number, because the mean of its divisors is an integer number (1011465).

Almost surely, 2^13604148 is an apocalyptic number.

13604148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13604148 is an abundant number, since it is smaller than the sum of its proper divisors (22808592).

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

13604148 is a wasteful number, since it uses less digits than its factorization.

13604148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22256 (or 22251 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 13604148 is about 3688.3801322532. The cubic root of 13604148 is about 238.7209034103.

Adding to 13604148 its reverse (84140631), we get a palindrome (97744779).

The spelling of 13604148 in words is "thirteen million, six hundred four thousand, one hundred forty-eight".