11099947 has 2 divisors, whose sum is σ = 11099948. Its totient is φ = 11099946.

The previous prime is 11099941. The next prime is 11099951. The reversal of 11099947 is 74999011.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (74999011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11099947 - 2¹⁹ = 10575659 is a prime.

It is not a weakly prime, because it can be changed into another prime (11099941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5549973 + 5549974.

It is an arithmetic number, because the mean of its divisors is an integer number (5549974).

Almost surely, 2^11099947 is an apocalyptic number.

11099947 is a deficient number, since it is larger than the sum of its proper divisors (1).

11099947 is an equidigital number, since it uses as much as digits as its factorization.

11099947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 11099947 is about 3331.6582958041. The cubic root of 11099947 is about 223.0695554108.

The spelling of 11099947 in words is "eleven million, ninety-nine thousand, nine hundred forty-seven".