11927479 has 2 divisors, whose sum is σ = 11927480. Its totient is φ = 11927478.

The previous prime is 11927477. The next prime is 11927483. The reversal of 11927479 is 97472911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11927479 - 2¹ = 11927477 is a prime.

Together with 11927477, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11927471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5963739 + 5963740.

It is an arithmetic number, because the mean of its divisors is an integer number (5963740).

Almost surely, 2^11927479 is an apocalyptic number.

11927479 is a deficient number, since it is larger than the sum of its proper divisors (1).

11927479 is an equidigital number, since it uses as much as digits as its factorization.

11927479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 40.

The square root of 11927479 is about 3453.6182475775. The cubic root of 11927479 is about 228.4807172973.

The spelling of 11927479 in words is "eleven million, nine hundred twenty-seven thousand, four hundred seventy-nine".