11279203 has 4 divisors (see below), whose sum is σ = 12146848. Its totient is φ = 10411560.

The previous prime is 11279197. The next prime is 11279209. The reversal of 11279203 is 30297211.

11279203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11279197) and next prime (11279209).

It is a cyclic number.

It is not a de Polignac number, because 11279203 - 2⁵ = 11279171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11279209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433803 + ... + 433828.

It is an arithmetic number, because the mean of its divisors is an integer number (3036712).

Almost surely, 2^11279203 is an apocalyptic number.

11279203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11279203 is a deficient number, since it is larger than the sum of its proper divisors (867645).

11279203 is an equidigital number, since it uses as much as digits as its factorization.

11279203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867644.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 11279203 is about 3358.4524710051. The cubic root of 11279203 is about 224.2639519753.

The spelling of 11279203 in words is "eleven million, two hundred seventy-nine thousand, two hundred three".