11798947 has 2 divisors, whose sum is σ = 11798948. Its totient is φ = 11798946.

The previous prime is 11798929. The next prime is 11798951. The reversal of 11798947 is 74989711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11798947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11798897 and 11798906.

It is not a weakly prime, because it can be changed into another prime (11798957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5899473 + 5899474.

It is an arithmetic number, because the mean of its divisors is an integer number (5899474).

Almost surely, 2^11798947 is an apocalyptic number.

11798947 is a deficient number, since it is larger than the sum of its proper divisors (1).

11798947 is an equidigital number, since it uses as much as digits as its factorization.

11798947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 46.

The square root of 11798947 is about 3434.9595339683. The cubic root of 11798947 is about 227.6570392611.

The spelling of 11798947 in words is "eleven million, seven hundred ninety-eight thousand, nine hundred forty-seven".