14123749 has 2 divisors, whose sum is σ = 14123750. Its totient is φ = 14123748.

The previous prime is 14123743. The next prime is 14123777. The reversal of 14123749 is 94732141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12320100 + 1803649 = 3510^2 + 1343^2 .

It is a cyclic number.

It is not a de Polignac number, because 14123749 - 2⁵ = 14123717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14123749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14123743) 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, 7061874 + 7061875.

It is an arithmetic number, because the mean of its divisors is an integer number (7061875).

Almost surely, 2^14123749 is an apocalyptic number.

It is an amenable number.

14123749 is a deficient number, since it is larger than the sum of its proper divisors (1).

14123749 is an equidigital number, since it uses as much as digits as its factorization.

14123749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 14123749 is about 3758.1576603437. The cubic root of 14123749 is about 241.7222697794.

The spelling of 14123749 in words is "fourteen million, one hundred twenty-three thousand, seven hundred forty-nine".