99667013 has 2 divisors, whose sum is σ = 99667014. Its totient is φ = 99667012.

The previous prime is 99667003. The next prime is 99667037. The reversal of 99667013 is 31076699.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99660289 + 6724 = 9983^2 + 82^2 .

It is an emirp because it is prime and its reverse (31076699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99667013 - 2²² = 95472709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99667003) 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, 49833506 + 49833507.

It is an arithmetic number, because the mean of its divisors is an integer number (49833507).

Almost surely, 2^99667013 is an apocalyptic number.

It is an amenable number.

99667013 is a deficient number, since it is larger than the sum of its proper divisors (1).

99667013 is an equidigital number, since it uses as much as digits as its factorization.

99667013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 99667013 is about 9983.3367668330. The cubic root of 99667013 is about 463.6431142086.

The spelling of 99667013 in words is "ninety-nine million, six hundred sixty-seven thousand, thirteen".