11149812 has 36 divisors (see below), whose sum is σ = 29230656. Its totient is φ = 3716280.

The previous prime is 11149811. The next prime is 11149813. The reversal of 11149812 is 21894111.

It is an interprime number because it is at equal distance from previous prime (11149811) and next prime (11149813).

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

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11149811) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4764 + ... + 6707.

Almost surely, 2^11149812 is an apocalyptic number.

11149812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11149812 is an abundant number, since it is smaller than the sum of its proper divisors (18080844).

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

11149812 is a wasteful number, since it uses less digits than its factorization.

11149812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11490 (or 11476 counting only the distinct ones).

The product of its digits is 576, while the sum is 27.

The square root of 11149812 is about 3339.1334205150. The cubic root of 11149812 is about 223.4030929822.

The spelling of 11149812 in words is "eleven million, one hundred forty-nine thousand, eight hundred twelve".