12622601 has 2 divisors, whose sum is σ = 12622602. Its totient is φ = 12622600.

The previous prime is 12622591. The next prime is 12622609. The reversal of 12622601 is 10622621.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8128201 + 4494400 = 2851^2 + 2120^2 .

It is a cyclic number.

It is not a de Polignac number, because 12622601 - 2⁶ = 12622537 is a prime.

It is not a weakly prime, because it can be changed into another prime (12622609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6311300 + 6311301.

It is an arithmetic number, because the mean of its divisors is an integer number (6311301).

Almost surely, 2^12622601 is an apocalyptic number.

It is an amenable number.

12622601 is a deficient number, since it is larger than the sum of its proper divisors (1).

12622601 is an equidigital number, since it uses as much as digits as its factorization.

12622601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12622601 is about 3552.8299987475. The cubic root of 12622601 is about 232.8357257222.

Adding to 12622601 its sum of digits (20), we get a palindrome (12622621).

The spelling of 12622601 in words is "twelve million, six hundred twenty-two thousand, six hundred one".