11996447 has 2 divisors, whose sum is σ = 11996448. Its totient is φ = 11996446.

The previous prime is 11996393. The next prime is 11996449. The reversal of 11996447 is 74469911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11996447 - 2⁸ = 11996191 is a prime.

Together with 11996449, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11996449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5998223 + 5998224.

It is an arithmetic number, because the mean of its divisors is an integer number (5998224).

Almost surely, 2^11996447 is an apocalyptic number.

11996447 is a deficient number, since it is larger than the sum of its proper divisors (1).

11996447 is an equidigital number, since it uses as much as digits as its factorization.

11996447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 41.

The square root of 11996447 is about 3463.5887457953. The cubic root of 11996447 is about 228.9202508930.

The spelling of 11996447 in words is "eleven million, nine hundred ninety-six thousand, four hundred forty-seven".