12650845 has 8 divisors (see below), whose sum is σ = 15283800. Its totient is φ = 10052160.

The previous prime is 12650809. The next prime is 12650881. The reversal of 12650845 is 54805621.

It is an interprime number because it is at equal distance from previous prime (12650809) and next prime (12650881).

It can be written as a sum of positive squares in 4 ways, for example, as 2172676 + 10478169 = 1474^2 + 3237^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12650845 - 2¹⁹ = 12126557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7746 + ... + 9235.

It is an arithmetic number, because the mean of its divisors is an integer number (1910475).

Almost surely, 2^12650845 is an apocalyptic number.

It is an amenable number.

12650845 is a deficient number, since it is larger than the sum of its proper divisors (2632955).

12650845 is a wasteful number, since it uses less digits than its factorization.

12650845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17135.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 12650845 is about 3556.8026372010. The cubic root of 12650845 is about 233.0092587208.

The spelling of 12650845 in words is "twelve million, six hundred fifty thousand, eight hundred forty-five".