11397047 has 2 divisors, whose sum is σ = 11397048. Its totient is φ = 11397046.

The previous prime is 11397037. The next prime is 11397049. The reversal of 11397047 is 74079311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11397047 - 2⁴ = 11397031 is a prime.

Together with 11397049, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₇₅₀₉₅₆ and since 11397047 and 750956 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11397049) 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, 5698523 + 5698524.

It is an arithmetic number, because the mean of its divisors is an integer number (5698524).

Almost surely, 2^11397047 is an apocalyptic number.

11397047 is a deficient number, since it is larger than the sum of its proper divisors (1).

11397047 is an equidigital number, since it uses as much as digits as its factorization.

11397047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 11397047 is about 3375.9512733450. The cubic root of 11397047 is about 225.0422768295.

The spelling of 11397047 in words is "eleven million, three hundred ninety-seven thousand, forty-seven".