20141207 has 2 divisors, whose sum is σ = 20141208. Its totient is φ = 20141206.

The previous prime is 20141203. The next prime is 20141221. The reversal of 20141207 is 70214102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20141207 - 2² = 20141203 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20141201) 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, 10070603 + 10070604.

It is an arithmetic number, because the mean of its divisors is an integer number (10070604).

Almost surely, 2^20141207 is an apocalyptic number.

20141207 is a deficient number, since it is larger than the sum of its proper divisors (1).

20141207 is an equidigital number, since it uses as much as digits as its factorization.

20141207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 20141207 is about 4487.8956093029. The cubic root of 20141207 is about 272.0790887012.

Adding to 20141207 its reverse (70214102), we get a palindrome (90355309).

The spelling of 20141207 in words is "twenty million, one hundred forty-one thousand, two hundred seven".