12650071 has 4 divisors (see below), whose sum is σ = 14457232. Its totient is φ = 10842912.

The previous prime is 12650063. The next prime is 12650081. The reversal of 12650071 is 17005621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17005621 = 83 ⋅204887.

It is a cyclic number.

It is not a de Polignac number, because 12650071 - 2³ = 12650063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12650021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903570 + ... + 903583.

It is an arithmetic number, because the mean of its divisors is an integer number (3614308).

Almost surely, 2^12650071 is an apocalyptic number.

12650071 is a deficient number, since it is larger than the sum of its proper divisors (1807161).

12650071 is an equidigital number, since it uses as much as digits as its factorization.

12650071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807160.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 12650071 is about 3556.6938299494. The cubic root of 12650071 is about 233.0045066576.

Adding to 12650071 its reverse (17005621), we get a palindrome (29655692).

The spelling of 12650071 in words is "twelve million, six hundred fifty thousand, seventy-one".