12812237 has 12 divisors (see below), whose sum is σ = 13940256. Its totient is φ = 11766720.

The previous prime is 12812227. The next prime is 12812243. The reversal of 12812237 is 73221821.

It is not a de Polignac number, because 12812237 - 2¹² = 12808141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12812227) 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, 11912 + ... + 12942.

It is an arithmetic number, because the mean of its divisors is an integer number (1161688).

Almost surely, 2^12812237 is an apocalyptic number.

12812237 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12812237 is a deficient number, since it is larger than the sum of its proper divisors (1128019).

12812237 is a wasteful number, since it uses less digits than its factorization.

12812237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108 (or 1091 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 12812237 is about 3579.4185281970. The cubic root of 12812237 is about 233.9959394917.

The spelling of 12812237 in words is "twelve million, eight hundred twelve thousand, two hundred thirty-seven".