12140047 has 2 divisors, whose sum is σ = 12140048. Its totient is φ = 12140046.

The previous prime is 12140039. The next prime is 12140071. The reversal of 12140047 is 74004121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12140047 - 2³ = 12140039 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12141047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6070023 + 6070024.

It is an arithmetic number, because the mean of its divisors is an integer number (6070024).

Almost surely, 2^12140047 is an apocalyptic number.

12140047 is a deficient number, since it is larger than the sum of its proper divisors (1).

12140047 is an equidigital number, since it uses as much as digits as its factorization.

12140047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 12140047 is about 3484.2570226664. The cubic root of 12140047 is about 229.8300382665.

Adding to 12140047 its reverse (74004121), we get a palindrome (86144168).

The spelling of 12140047 in words is "twelve million, one hundred forty thousand, forty-seven".