12621127 has 2 divisors, whose sum is σ = 12621128. Its totient is φ = 12621126.

The previous prime is 12621121. The next prime is 12621137. The reversal of 12621127 is 72112621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12621127 - 2¹⁹ = 12096839 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12621098 and 12621107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12621121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6310563 + 6310564.

It is an arithmetic number, because the mean of its divisors is an integer number (6310564).

Almost surely, 2^12621127 is an apocalyptic number.

12621127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12621127 is an equidigital number, since it uses as much as digits as its factorization.

12621127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 22.

The square root of 12621127 is about 3552.6225524252. The cubic root of 12621127 is about 232.8266622648.

Adding to 12621127 its reverse (72112621), we get a palindrome (84733748).

The spelling of 12621127 in words is "twelve million, six hundred twenty-one thousand, one hundred twenty-seven".