12271679 has 8 divisors (see below), whose sum is σ = 14404128. Its totient is φ = 10234080.

The previous prime is 12271643. The next prime is 12271681. The reversal of 12271679 is 97617221.

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 12271679 - 2¹⁶ = 12206143 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 (12271639) 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, 23432 + ... + 23949.

It is an arithmetic number, because the mean of its divisors is an integer number (1800516).

Almost surely, 2^12271679 is an apocalyptic number.

12271679 is a deficient number, since it is larger than the sum of its proper divisors (2132449).

12271679 is an equidigital number, since it uses as much as digits as its factorization.

12271679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47425.

The product of its digits is 10584, while the sum is 35.

The square root of 12271679 is about 3503.0956310098. The cubic root of 12271679 is about 230.6577203791.

The spelling of 12271679 in words is "twelve million, two hundred seventy-one thousand, six hundred seventy-nine".