11830649 has 2 divisors, whose sum is σ = 11830650. Its totient is φ = 11830648.

The previous prime is 11830631. The next prime is 11830661. The reversal of 11830649 is 94603811.

It is a happy number.

11830649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9412624 + 2418025 = 3068^2 + 1555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11830649 is a prime.

It is a super-2 number, since 2×11830649² = 279928511522402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11838649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5915324 + 5915325.

It is an arithmetic number, because the mean of its divisors is an integer number (5915325).

Almost surely, 2^11830649 is an apocalyptic number.

It is an amenable number.

11830649 is a deficient number, since it is larger than the sum of its proper divisors (1).

11830649 is an equidigital number, since it uses as much as digits as its factorization.

11830649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 11830649 is about 3439.5710488373. The cubic root of 11830649 is about 227.8607503567.

The spelling of 11830649 in words is "eleven million, eight hundred thirty thousand, six hundred forty-nine".