11198479 has 4 divisors (see below), whose sum is σ = 11286784. Its totient is φ = 11110176.

The previous prime is 11198477. The next prime is 11198483. The reversal of 11198479 is 97489111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97489111 = 23 ⋅4238657.

It is a cyclic number.

It is not a de Polignac number, because 11198479 - 2¹ = 11198477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11198477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43962 + ... + 44215.

It is an arithmetic number, because the mean of its divisors is an integer number (2821696).

Almost surely, 2^11198479 is an apocalyptic number.

11198479 is a deficient number, since it is larger than the sum of its proper divisors (88305).

11198479 is an equidigital number, since it uses as much as digits as its factorization.

11198479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88304.

The product of its digits is 18144, while the sum is 40.

The square root of 11198479 is about 3346.4128555813. The cubic root of 11198479 is about 223.7276598275.

The spelling of 11198479 in words is "eleven million, one hundred ninety-eight thousand, four hundred seventy-nine".