11612947 has 2 divisors, whose sum is σ = 11612948. Its totient is φ = 11612946.

The previous prime is 11612927. The next prime is 11612959. The reversal of 11612947 is 74921611.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11612947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11612927) 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, 5806473 + 5806474.

It is an arithmetic number, because the mean of its divisors is an integer number (5806474).

Almost surely, 2^11612947 is an apocalyptic number.

11612947 is a deficient number, since it is larger than the sum of its proper divisors (1).

11612947 is an equidigital number, since it uses as much as digits as its factorization.

11612947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 31.

The square root of 11612947 is about 3407.7774281781. Note that the first 3 decimals coincide. The cubic root of 11612947 is about 226.4544267150.

The spelling of 11612947 in words is "eleven million, six hundred twelve thousand, nine hundred forty-seven".