12261827 has 8 divisors (see below), whose sum is σ = 12484800. Its totient is φ = 12040704.

The previous prime is 12261817. The next prime is 12261889. The reversal of 12261827 is 72816221.

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 12261827 - 2¹⁰ = 12260803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12261827.

It is not an unprimeable number, because it can be changed into a prime (12261817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20963 + ... + 21539.

It is an arithmetic number, because the mean of its divisors is an integer number (1560600).

Almost surely, 2^12261827 is an apocalyptic number.

12261827 is a deficient number, since it is larger than the sum of its proper divisors (222973).

12261827 is an equidigital number, since it uses as much as digits as its factorization.

12261827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925.

The product of its digits is 2688, while the sum is 29.

The square root of 12261827 is about 3501.6891638179. The cubic root of 12261827 is about 230.5959779923.

The spelling of 12261827 in words is "twelve million, two hundred sixty-one thousand, eight hundred twenty-seven".