12275261 has 8 divisors (see below), whose sum is σ = 12991104. Its totient is φ = 11574640.

The previous prime is 12275233. The next prime is 12275269. The reversal of 12275261 is 16257221.

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 12275261 - 2¹⁸ = 12013117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12275261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12275269) 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, 2126 + ... + 5391.

It is an arithmetic number, because the mean of its divisors is an integer number (1623888).

Almost surely, 2^12275261 is an apocalyptic number.

It is an amenable number.

12275261 is a deficient number, since it is larger than the sum of its proper divisors (715843).

12275261 is an equidigital number, since it uses as much as digits as its factorization.

12275261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7611.

The product of its digits is 1680, while the sum is 26.

The square root of 12275261 is about 3503.6068557987. The cubic root of 12275261 is about 230.6801605461.

The spelling of 12275261 in words is "twelve million, two hundred seventy-five thousand, two hundred sixty-one".