11477969 has 2 divisors, whose sum is σ = 11477970. Its totient is φ = 11477968.

The previous prime is 11477959. The next prime is 11477981. The reversal of 11477969 is 96977411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10857025 + 620944 = 3295^2 + 788^2 .

It is an emirp because it is prime and its reverse (96977411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11477969 - 2¹² = 11473873 is a prime.

It is a super-2 number, since 2×11477969² = 263487544729922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11477929) 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, 5738984 + 5738985.

It is an arithmetic number, because the mean of its divisors is an integer number (5738985).

Almost surely, 2^11477969 is an apocalyptic number.

It is an amenable number.

11477969 is a deficient number, since it is larger than the sum of its proper divisors (1).

11477969 is an equidigital number, since it uses as much as digits as its factorization.

11477969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 44.

The square root of 11477969 is about 3387.9151406138. The cubic root of 11477969 is about 225.5736407783.

The spelling of 11477969 in words is "eleven million, four hundred seventy-seven thousand, nine hundred sixty-nine".