12337621 has 2 divisors, whose sum is σ = 12337622. Its totient is φ = 12337620.

The previous prime is 12337573. The next prime is 12337691. The reversal of 12337621 is 12673321.

12337621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9696996 + 2640625 = 3114^2 + 1625^2 .

It is a cyclic number.

It is not a de Polignac number, because 12337621 - 2⁹ = 12337109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12337691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6168810 + 6168811.

It is an arithmetic number, because the mean of its divisors is an integer number (6168811).

Almost surely, 2^12337621 is an apocalyptic number.

It is an amenable number.

12337621 is a deficient number, since it is larger than the sum of its proper divisors (1).

12337621 is an equidigital number, since it uses as much as digits as its factorization.

12337621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 25.

The square root of 12337621 is about 3512.4949822028. The cubic root of 12337621 is about 231.0701298161.

The spelling of 12337621 in words is "twelve million, three hundred thirty-seven thousand, six hundred twenty-one".