11299947 has 8 divisors (see below), whose sum is σ = 15112656. Its totient is φ = 7510272.

The previous prime is 11299933. The next prime is 11299961. The reversal of 11299947 is 74999211.

11299947 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11299933) and next prime (11299961).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11299947 - 2⁴ = 11299931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11299899 and 11299908.

It is not an unprimeable number, because it can be changed into a prime (11299997) 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 in 7 ways as a sum of consecutive naturals, for example, 4578 + ... + 6599.

It is an arithmetic number, because the mean of its divisors is an integer number (1889082).

Almost surely, 2^11299947 is an apocalyptic number.

11299947 is a deficient number, since it is larger than the sum of its proper divisors (3812709).

11299947 is a wasteful number, since it uses less digits than its factorization.

11299947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11517.

The product of its digits is 40824, while the sum is 42.

The square root of 11299947 is about 3361.5393795105. The cubic root of 11299947 is about 224.4013518241.

It can be divided in two parts, 11299 and 947, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 11299947 in words is "eleven million, two hundred ninety-nine thousand, nine hundred forty-seven".