14019739 has 6 divisors (see below), whose sum is σ = 14774820. Its totient is φ = 13266396.

The previous prime is 14019727. The next prime is 14019743. The reversal of 14019739 is 93791041.

It is not a de Polignac number, because 14019739 - 2¹¹ = 14017691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14019799) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15892 + ... + 16750.

It is an arithmetic number, because the mean of its divisors is an integer number (2462470).

Almost surely, 2^14019739 is an apocalyptic number.

14019739 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

14019739 is a deficient number, since it is larger than the sum of its proper divisors (755081).

14019739 is an frugal number, since it uses more digits than its factorization.

14019739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737 (or 878 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 14019739 is about 3744.2941925014. The cubic root of 14019739 is about 241.1274441725.

The spelling of 14019739 in words is "fourteen million, nineteen thousand, seven hundred thirty-nine".