11958047 has 2 divisors, whose sum is σ = 11958048. Its totient is φ = 11958046.

The previous prime is 11958043. The next prime is 11958071. The reversal of 11958047 is 74085911.

It is a weak prime.

It is an emirp because it is prime and its reverse (74085911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11958047 - 2² = 11958043 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11957998 and 11958016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11958041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5979023 + 5979024.

It is an arithmetic number, because the mean of its divisors is an integer number (5979024).

Almost surely, 2^11958047 is an apocalyptic number.

11958047 is a deficient number, since it is larger than the sum of its proper divisors (1).

11958047 is an equidigital number, since it uses as much as digits as its factorization.

11958047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 11958047 is about 3458.0409193646. The cubic root of 11958047 is about 228.6757358934.

The spelling of 11958047 in words is "eleven million, nine hundred fifty-eight thousand, forty-seven".