11428673 has 2 divisors, whose sum is σ = 11428674. Its totient is φ = 11428672.

The previous prime is 11428667. The next prime is 11428699. The reversal of 11428673 is 37682411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10942864 + 485809 = 3308^2 + 697^2 .

It is a cyclic number.

It is not a de Polignac number, because 11428673 - 2⁶ = 11428609 is a prime.

It is a super-2 number, since 2×11428673² = 261229133081858, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11428273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5714336 + 5714337.

It is an arithmetic number, because the mean of its divisors is an integer number (5714337).

Almost surely, 2^11428673 is an apocalyptic number.

It is an amenable number.

11428673 is a deficient number, since it is larger than the sum of its proper divisors (1).

11428673 is an equidigital number, since it uses as much as digits as its factorization.

11428673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The square root of 11428673 is about 3380.6320414976. The cubic root of 11428673 is about 225.2502433886.

The spelling of 11428673 in words is "eleven million, four hundred twenty-eight thousand, six hundred seventy-three".