12650501 has 2 divisors, whose sum is σ = 12650502. Its totient is φ = 12650500.

The previous prime is 12650497. The next prime is 12650513. The reversal of 12650501 is 10505621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7924225 + 4726276 = 2815^2 + 2174^2 .

It is a cyclic number.

It is not a de Polignac number, because 12650501 - 2² = 12650497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12650581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325250 + 6325251.

It is an arithmetic number, because the mean of its divisors is an integer number (6325251).

Almost surely, 2^12650501 is an apocalyptic number.

It is an amenable number.

12650501 is a deficient number, since it is larger than the sum of its proper divisors (1).

12650501 is an equidigital number, since it uses as much as digits as its factorization.

12650501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 12650501 is about 3556.7542788334. The cubic root of 12650501 is about 233.0071467166.

The spelling of 12650501 in words is "twelve million, six hundred fifty thousand, five hundred one".