14443987 has 2 divisors, whose sum is σ = 14443988. Its totient is φ = 14443986.

The previous prime is 14443969. The next prime is 14444057. The reversal of 14443987 is 78934441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14443987 - 2¹⁵ = 14411219 is a prime.

It is not a weakly prime, because it can be changed into another prime (14443937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7221993 + 7221994.

It is an arithmetic number, because the mean of its divisors is an integer number (7221994).

Almost surely, 2^14443987 is an apocalyptic number.

14443987 is a deficient number, since it is larger than the sum of its proper divisors (1).

14443987 is an equidigital number, since it uses as much as digits as its factorization.

14443987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 14443987 is about 3800.5245690562. The cubic root of 14443987 is about 243.5355482200.

It can be divided in two parts, 14443 and 987, that multiplied together give a palindrome (14255241).

The spelling of 14443987 in words is "fourteen million, four hundred forty-three thousand, nine hundred eighty-seven".