11288842 has 4 divisors (see below), whose sum is σ = 16933266. Its totient is φ = 5644420.

The previous prime is 11288839. The next prime is 11288857. The reversal of 11288842 is 24888211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24888211 = 1319 ⋅18869.

It can be written as a sum of positive squares in only one way, i.e., 10246401 + 1042441 = 3201^2 + 1021^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11288798 and 11288807.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822209 + ... + 2822212.

Almost surely, 2^11288842 is an apocalyptic number.

11288842 is a deficient number, since it is larger than the sum of its proper divisors (5644424).

11288842 is an equidigital number, since it uses as much as digits as its factorization.

11288842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5644423.

The product of its digits is 8192, while the sum is 34.

The square root of 11288842 is about 3359.8872004875. The cubic root of 11288842 is about 224.3278177392.

The spelling of 11288842 in words is "eleven million, two hundred eighty-eight thousand, eight hundred forty-two".