11279603 has 2 divisors, whose sum is σ = 11279604. Its totient is φ = 11279602.

The previous prime is 11279599. The next prime is 11279623. The reversal of 11279603 is 30697211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11279603 - 2² = 11279599 is a prime.

It is not a weakly prime, because it can be changed into another prime (11279623) 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, 5639801 + 5639802.

It is an arithmetic number, because the mean of its divisors is an integer number (5639802).

Almost surely, 2^11279603 is an apocalyptic number.

11279603 is a deficient number, since it is larger than the sum of its proper divisors (1).

11279603 is an equidigital number, since it uses as much as digits as its factorization.

11279603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 11279603 is about 3358.5120217144. The cubic root of 11279603 is about 224.2666030054.

The spelling of 11279603 in words is "eleven million, two hundred seventy-nine thousand, six hundred three".