14042779 has 2 divisors, whose sum is σ = 14042780. Its totient is φ = 14042778.

The previous prime is 14042773. The next prime is 14042837. The reversal of 14042779 is 97724041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14042779 - 2⁵ = 14042747 is a prime.

It is equal to p₉₁₂₆₇₉ and since 14042779 and 912679 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (14042773) 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 as a sum of consecutive naturals, namely, 7021389 + 7021390.

It is an arithmetic number, because the mean of its divisors is an integer number (7021390).

Almost surely, 2^14042779 is an apocalyptic number.

14042779 is a deficient number, since it is larger than the sum of its proper divisors (1).

14042779 is an equidigital number, since it uses as much as digits as its factorization.

14042779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 14042779 is about 3747.3696108070. The cubic root of 14042779 is about 241.2594612700.

The spelling of 14042779 in words is "fourteen million, forty-two thousand, seven hundred seventy-nine".