11076421 has 2 divisors, whose sum is σ = 11076422. Its totient is φ = 11076420.

The previous prime is 11076419. The next prime is 11076451. The reversal of 11076421 is 12467011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6687396 + 4389025 = 2586^2 + 2095^2 .

It is an emirp because it is prime and its reverse (12467011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11076421 - 2¹ = 11076419 is a prime.

Together with 11076419, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11076392 and 11076401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11076451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5538210 + 5538211.

It is an arithmetic number, because the mean of its divisors is an integer number (5538211).

Almost surely, 2^11076421 is an apocalyptic number.

It is an amenable number.

11076421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11076421 is an equidigital number, since it uses as much as digits as its factorization.

11076421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 11076421 is about 3328.1257488262. The cubic root of 11076421 is about 222.9118475603.

The spelling of 11076421 in words is "eleven million, seventy-six thousand, four hundred twenty-one".