1361812 has 6 divisors (see below), whose sum is σ = 2383178. Its totient is φ = 680904.

The previous prime is 1361809. The next prime is 1361813. The reversal of 1361812 is 2181631.

It can be written as a sum of positive squares in only one way, i.e., 1052676 + 309136 = 1026^2 + 556^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170223 + ... + 170230.

2^1361812 is an apocalyptic number.

It is an amenable number.

1361812 is a deficient number, since it is larger than the sum of its proper divisors (1021366).

1361812 is a wasteful number, since it uses less digits than its factorization.

1361812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340457 (or 340455 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

The square root of 1361812 is about 1166.9670089596. The cubic root of 1361812 is about 110.8423484982.

The spelling of 1361812 in words is "one million, three hundred sixty-one thousand, eight hundred twelve".