11276921 has 2 divisors, whose sum is σ = 11276922. Its totient is φ = 11276920.

The previous prime is 11276917. The next prime is 11276959. The reversal of 11276921 is 12967211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5707321 + 5569600 = 2389^2 + 2360^2 .

It is a cyclic number.

It is not a de Polignac number, because 11276921 - 2² = 11276917 is a prime.

It is a super-3 number, since 3×11276921³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (11276981) 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, 5638460 + 5638461.

It is an arithmetic number, because the mean of its divisors is an integer number (5638461).

Almost surely, 2^11276921 is an apocalyptic number.

It is an amenable number.

11276921 is a deficient number, since it is larger than the sum of its proper divisors (1).

11276921 is an equidigital number, since it uses as much as digits as its factorization.

11276921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 29.

The square root of 11276921 is about 3358.1127140107. The cubic root of 11276921 is about 224.2488266496.

The spelling of 11276921 in words is "eleven million, two hundred seventy-six thousand, nine hundred twenty-one".