11477731 has 2 divisors, whose sum is σ = 11477732. Its totient is φ = 11477730.

The previous prime is 11477693. The next prime is 11477747. The reversal of 11477731 is 13777411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11477731 - 2¹¹ = 11475683 is a prime.

It is a super-2 number, since 2×11477731² = 263476617816722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11477693 and 11477702.

It is not a weakly prime, because it can be changed into another prime (11477761) 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, 5738865 + 5738866.

It is an arithmetic number, because the mean of its divisors is an integer number (5738866).

Almost surely, 2^11477731 is an apocalyptic number.

11477731 is a deficient number, since it is larger than the sum of its proper divisors (1).

11477731 is an equidigital number, since it uses as much as digits as its factorization.

11477731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4116, while the sum is 31.

The square root of 11477731 is about 3387.8800155850. The cubic root of 11477731 is about 225.5720816495.

The spelling of 11477731 in words is "eleven million, four hundred seventy-seven thousand, seven hundred thirty-one".