11275812 has 36 divisors (see below), whose sum is σ = 28626780. Its totient is φ = 3742272.

The previous prime is 11275801. The next prime is 11275813. The reversal of 11275812 is 21857211.

It can be written as a sum of positive squares in 2 ways, for example, as 8433216 + 2842596 = 2904^2 + 1686^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (11275813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10014 + ... + 11082.

Almost surely, 2^11275812 is an apocalyptic number.

11275812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11275812 is an abundant number, since it is smaller than the sum of its proper divisors (17350968).

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

11275812 is a wasteful number, since it uses less digits than its factorization.

11275812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372 (or 1367 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 11275812 is about 3357.9475874409. The cubic root of 11275812 is about 224.2414753492.

The spelling of 11275812 in words is "eleven million, two hundred seventy-five thousand, eight hundred twelve".