12013499 has 2 divisors, whose sum is σ = 12013500. Its totient is φ = 12013498.

The previous prime is 12013481. The next prime is 12013501. The reversal of 12013499 is 99431021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12013499 is a prime.

It is a Sophie Germain prime.

Together with 12013501, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12013459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006749 + 6006750.

It is an arithmetic number, because the mean of its divisors is an integer number (6006750).

Almost surely, 2^12013499 is an apocalyptic number.

12013499 is a deficient number, since it is larger than the sum of its proper divisors (1).

12013499 is an equidigital number, since it uses as much as digits as its factorization.

12013499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 12013499 is about 3466.0494803162. The cubic root of 12013499 is about 229.0286635491.

The spelling of 12013499 in words is "twelve million, thirteen thousand, four hundred ninety-nine".