11280036 has 12 divisors (see below), whose sum is σ = 26320112. Its totient is φ = 3760008.

The previous prime is 11280011. The next prime is 11280041. The reversal of 11280036 is 63008211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×11280036² = 254478424322592, which contains 22 as substring.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11279994 and 11280021.

It is an unprimeable number.

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, 469990 + ... + 470013.

Almost surely, 2^11280036 is an apocalyptic number.

It is an amenable number.

11280036 is an abundant number, since it is smaller than the sum of its proper divisors (15040076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11280036 is a wasteful number, since it uses less digits than its factorization.

11280036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940010 (or 940008 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 11280036 is about 3358.5764841671. The cubic root of 11280036 is about 224.2694726749.

Adding to 11280036 its reverse (63008211), we get a palindrome (74288247).

The spelling of 11280036 in words is "eleven million, two hundred eighty thousand, thirty-six".