4012999 has 2 divisors, whose sum is σ = 4013000. Its totient is φ = 4012998.

The previous prime is 4012997. The next prime is 4013021. The reversal of 4012999 is 9992104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4012999 - 2¹ = 4012997 is a prime.

It is a super-2 number, since 2×4012999² = 32208321948002, which contains 22 as substring.

Together with 4012997, it forms a pair of twin primes.

4012999 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4012993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006499 + 2006500.

It is an arithmetic number, because the mean of its divisors is an integer number (2006500).

Almost surely, 2^4012999 is an apocalyptic number.

4012999 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012999 is an equidigital number, since it uses as much as digits as its factorization.

4012999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 4012999 is about 2003.2471140626. The cubic root of 4012999 is about 158.9118744809.

The spelling of 4012999 in words is "four million, twelve thousand, nine hundred ninety-nine".