11280937 has 2 divisors, whose sum is σ = 11280938. Its totient is φ = 11280936.

The previous prime is 11280883. The next prime is 11280943. The reversal of 11280937 is 73908211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7817616 + 3463321 = 2796^2 + 1861^2 .

It is a cyclic number.

It is not a de Polignac number, because 11280937 - 2¹¹ = 11278889 is a prime.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 11280899 and 11280908.

It is not a weakly prime, because it can be changed into another prime (11280947) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5640468 + 5640469.

It is an arithmetic number, because the mean of its divisors is an integer number (5640469).

Almost surely, 2^11280937 is an apocalyptic number.

It is an amenable number.

11280937 is a deficient number, since it is larger than the sum of its proper divisors (1).

11280937 is an equidigital number, since it uses as much as digits as its factorization.

11280937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 11280937 is about 3358.7106156976. The cubic root of 11280937 is about 224.2754437378.

The spelling of 11280937 in words is "eleven million, two hundred eighty thousand, nine hundred thirty-seven".