11437812 has 18 divisors (see below), whose sum is σ = 28912338. Its totient is φ = 3812592.

The previous prime is 11437807. The next prime is 11437813. The reversal of 11437812 is 21873411.

It can be written as a sum of positive squares in only one way, i.e., 5934096 + 5503716 = 2436^2 + 2346^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11437813) 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 in 5 ways as a sum of consecutive naturals, for example, 158823 + ... + 158894.

It is an arithmetic number, because the mean of its divisors is an integer number (1606241).

Almost surely, 2^11437812 is an apocalyptic number.

11437812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11437812 is an abundant number, since it is smaller than the sum of its proper divisors (17474526).

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

11437812 is a wasteful number, since it uses less digits than its factorization.

11437812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317727 (or 317722 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 11437812 is about 3381.9834417099. The cubic root of 11437812 is about 225.3102682490.

The spelling of 11437812 in words is "eleven million, four hundred thirty-seven thousand, eight hundred twelve".