11417947 has 2 divisors, whose sum is σ = 11417948. Its totient is φ = 11417946.

The previous prime is 11417933. The next prime is 11417963. The reversal of 11417947 is 74971411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11417947 - 2²³ = 3029339 is a prime.

It is not a weakly prime, because it can be changed into another prime (11415947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5708973 + 5708974.

It is an arithmetic number, because the mean of its divisors is an integer number (5708974).

Almost surely, 2^11417947 is an apocalyptic number.

11417947 is a deficient number, since it is larger than the sum of its proper divisors (1).

11417947 is an equidigital number, since it uses as much as digits as its factorization.

11417947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 34.

The square root of 11417947 is about 3379.0452793652. The cubic root of 11417947 is about 225.1797542970.

The spelling of 11417947 in words is "eleven million, four hundred seventeen thousand, nine hundred forty-seven".