12035621 has 8 divisors (see below), whose sum is σ = 12993624. Its totient is φ = 11082240.

The previous prime is 12035603. The next prime is 12035623. The reversal of 12035621 is 12653021.

It can be written as a sum of positive squares in 4 ways, for example, as 98596 + 11937025 = 314^2 + 3455^2 .

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

It is not a de Polignac number, because 12035621 - 2⁶ = 12035557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12035593 and 12035602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12035623) by changing a digit.

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, 5885 + ... + 7661.

It is an arithmetic number, because the mean of its divisors is an integer number (1624203).

Almost surely, 2^12035621 is an apocalyptic number.

It is an amenable number.

12035621 is a deficient number, since it is larger than the sum of its proper divisors (958003).

12035621 is a wasteful number, since it uses less digits than its factorization.

12035621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 12035621 is about 3469.2392537846. The cubic root of 12035621 is about 229.1691573210.

Adding to 12035621 its reverse (12653021), we get a palindrome (24688642).

The spelling of 12035621 in words is "twelve million, thirty-five thousand, six hundred twenty-one".