12350621 has 4 divisors (see below), whose sum is σ = 12358812. Its totient is φ = 12342432.

The previous prime is 12350581. The next prime is 12350641. The reversal of 12350621 is 12605321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12605321 = 43 ⋅293147.

It can be written as a sum of positive squares in 2 ways, for example, as 6996025 + 5354596 = 2645^2 + 2314^2 .

It is a cyclic number.

It is not a de Polignac number, because 12350621 - 2¹⁴ = 12334237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12350593 and 12350602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12350641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106 + ... + 5091.

It is an arithmetic number, because the mean of its divisors is an integer number (3089703).

Almost surely, 2^12350621 is an apocalyptic number.

It is an amenable number.

12350621 is a deficient number, since it is larger than the sum of its proper divisors (8191).

12350621 is an equidigital number, since it uses as much as digits as its factorization.

12350621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8190.

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

The square root of 12350621 is about 3514.3450314390. The cubic root of 12350621 is about 231.1512599152.

Adding to 12350621 its reverse (12605321), we get a palindrome (24955942).

The spelling of 12350621 in words is "twelve million, three hundred fifty thousand, six hundred twenty-one".