14121604 has 36 divisors (see below), whose sum is σ = 29055180. Its totient is φ = 5987520.

The previous prime is 14121581. The next prime is 14121623. The reversal of 14121604 is 40612141.

It can be written as a sum of positive squares in 2 ways, for example, as 10549504 + 3572100 = 3248^2 + 1890^2 .

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, 21034 + ... + 21694.

Almost surely, 2^14121604 is an apocalyptic number.

14121604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14121604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14527590).

14121604 is an abundant number, since it is smaller than the sum of its proper divisors (14933576).

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

14121604 is a wasteful number, since it uses less digits than its factorization.

14121604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 779 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 14121604 is about 3757.8722703147. The cubic root of 14121604 is about 241.7100322231.

Adding to 14121604 its reverse (40612141), we get a palindrome (54733745).

The spelling of 14121604 in words is "fourteen million, one hundred twenty-one thousand, six hundred four".