11630947 has 2 divisors, whose sum is σ = 11630948. Its totient is φ = 11630946.

The previous prime is 11630923. The next prime is 11630989. The reversal of 11630947 is 74903611.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (74903611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11630947 - 2¹⁵ = 11598179 is a prime.

It is not a weakly prime, because it can be changed into another prime (11631947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5815473 + 5815474.

It is an arithmetic number, because the mean of its divisors is an integer number (5815474).

Almost surely, 2^11630947 is an apocalyptic number.

11630947 is a deficient number, since it is larger than the sum of its proper divisors (1).

11630947 is an equidigital number, since it uses as much as digits as its factorization.

11630947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 11630947 is about 3410.4174231317. The cubic root of 11630947 is about 226.5713673295.

The spelling of 11630947 in words is "eleven million, six hundred thirty thousand, nine hundred forty-seven".