12650261 has 8 divisors (see below), whose sum is σ = 14424984. Its totient is φ = 10990080.

The previous prime is 12650233. The next prime is 12650273. The reversal of 12650261 is 16205621.

It can be written as a sum of positive squares in 4 ways, for example, as 442225 + 12208036 = 665^2 + 3494^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12650261 - 2¹⁰ = 12649237 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 (12650221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28400 + ... + 28841.

It is an arithmetic number, because the mean of its divisors is an integer number (1803123).

Almost surely, 2^12650261 is an apocalyptic number.

It is an amenable number.

12650261 is a deficient number, since it is larger than the sum of its proper divisors (1774723).

12650261 is a wasteful number, since it uses less digits than its factorization.

12650261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57271.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 12650261 is about 3556.7205400481. The cubic root of 12650261 is about 233.0056732027.

Adding to 12650261 its reverse (16205621), we get a palindrome (28855882).

The spelling of 12650261 in words is "twelve million, six hundred fifty thousand, two hundred sixty-one".