11034721 has 2 divisors, whose sum is σ = 11034722. Its totient is φ = 11034720.

The previous prime is 11034719. The next prime is 11034731. The reversal of 11034721 is 12743011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11022400 + 12321 = 3320^2 + 111^2 .

It is a cyclic number.

It is not a de Polignac number, because 11034721 - 2¹ = 11034719 is a prime.

Together with 11034719, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11034701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5517360 + 5517361.

It is an arithmetic number, because the mean of its divisors is an integer number (5517361).

Almost surely, 2^11034721 is an apocalyptic number.

It is an amenable number.

11034721 is a deficient number, since it is larger than the sum of its proper divisors (1).

11034721 is an equidigital number, since it uses as much as digits as its factorization.

11034721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 11034721 is about 3321.8550540323. The cubic root of 11034721 is about 222.6317596903.

Adding to 11034721 its reverse (12743011), we get a palindrome (23777732).

The spelling of 11034721 in words is "eleven million, thirty-four thousand, seven hundred twenty-one".