11998067 has 2 divisors, whose sum is σ = 11998068. Its totient is φ = 11998066.

The previous prime is 11998043. The next prime is 11998121. The reversal of 11998067 is 76089911.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11998067 is a prime.

It is a super-2 number, since 2×11998067² = 287907223472978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11998967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5999033 + 5999034.

It is an arithmetic number, because the mean of its divisors is an integer number (5999034).

Almost surely, 2^11998067 is an apocalyptic number.

11998067 is a deficient number, since it is larger than the sum of its proper divisors (1).

11998067 is an equidigital number, since it uses as much as digits as its factorization.

11998067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 11998067 is about 3463.8225993835. The cubic root of 11998067 is about 228.9305548915.

The spelling of 11998067 in words is "eleven million, nine hundred ninety-eight thousand, sixty-seven".