14047639 has 2 divisors, whose sum is σ = 14047640. Its totient is φ = 14047638.

The previous prime is 14047613. The next prime is 14047673. The reversal of 14047639 is 93674041.

It is a happy number.

It is an a-pointer prime, because the next prime (14047673) can be obtained adding 14047639 to its sum of digits (34).

It is a weak prime.

It is an emirp because it is prime and its reverse (93674041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14047639 - 2¹³ = 14039447 is a prime.

It is a super-2 number, since 2×14047639² = 394672322948642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14047139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7023819 + 7023820.

It is an arithmetic number, because the mean of its divisors is an integer number (7023820).

Almost surely, 2^14047639 is an apocalyptic number.

14047639 is a deficient number, since it is larger than the sum of its proper divisors (1).

14047639 is an equidigital number, since it uses as much as digits as its factorization.

14047639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 14047639 is about 3748.0180095619. The cubic root of 14047639 is about 241.2872901810.

The spelling of 14047639 in words is "fourteen million, forty-seven thousand, six hundred thirty-nine".