11199434 has 4 divisors (see below), whose sum is σ = 16799154. Its totient is φ = 5599716.

The previous prime is 11199431. The next prime is 11199443. The reversal of 11199434 is 43499111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43499111 = 47 ⋅925513.

It can be written as a sum of positive squares in only one way, i.e., 9517225 + 1682209 = 3085^2 + 1297^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11199434.

It is not an unprimeable number, because it can be changed into a prime (11199431) 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 as a sum of consecutive naturals, namely, 2799857 + ... + 2799860.

Almost surely, 2^11199434 is an apocalyptic number.

11199434 is a deficient number, since it is larger than the sum of its proper divisors (5599720).

11199434 is an equidigital number, since it uses as much as digits as its factorization.

11199434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5599719.

The product of its digits is 3888, while the sum is 32.

The square root of 11199434 is about 3346.5555426438. Note that the first 4 decimals coincide. The cubic root of 11199434 is about 223.7340194365.

The spelling of 11199434 in words is "eleven million, one hundred ninety-nine thousand, four hundred thirty-four".