12620501 has 2 divisors, whose sum is σ = 12620502. Its totient is φ = 12620500.

The previous prime is 12620483. The next prime is 12620521. The reversal of 12620501 is 10502621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7562500 + 5058001 = 2750^2 + 2249^2 .

It is a cyclic number.

It is not a de Polignac number, because 12620501 - 2⁶ = 12620437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12620501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12620521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6310250 + 6310251.

It is an arithmetic number, because the mean of its divisors is an integer number (6310251).

Almost surely, 2^12620501 is an apocalyptic number.

It is an amenable number.

12620501 is a deficient number, since it is larger than the sum of its proper divisors (1).

12620501 is an equidigital number, since it uses as much as digits as its factorization.

12620501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 12620501 is about 3552.5344474051. The cubic root of 12620501 is about 232.8228128489.

The spelling of 12620501 in words is "twelve million, six hundred twenty thousand, five hundred one".