12500261 has 8 divisors (see below), whose sum is σ = 12821760. Its totient is φ = 12181168.

The previous prime is 12500251. The next prime is 12500263. The reversal of 12500261 is 16200521.

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 12500261 - 2⁶ = 12500197 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 (12500263) 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, 14480 + ... + 15318.

It is an arithmetic number, because the mean of its divisors is an integer number (1602720).

Almost surely, 2^12500261 is an apocalyptic number.

It is an amenable number.

12500261 is a deficient number, since it is larger than the sum of its proper divisors (321499).

12500261 is an equidigital number, since it uses as much as digits as its factorization.

12500261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203.

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

The square root of 12500261 is about 3535.5708167140. The cubic root of 12500261 is about 232.0810569423.

Adding to 12500261 its reverse (16200521), we get a palindrome (28700782).

The spelling of 12500261 in words is "twelve million, five hundred thousand, two hundred sixty-one".