1230812 has 18 divisors (see below), whose sum is σ = 2368464. Its totient is φ = 559240.

The previous prime is 1230791. The next prime is 1230829. The reversal of 1230812 is 2180321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 788 + ... + 1755.

2^1230812 is an apocalyptic number.

It is an amenable number.

1230812 is a deficient number, since it is larger than the sum of its proper divisors (1137652).

1230812 is a wasteful number, since it uses less digits than its factorization.

1230812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569 (or 2556 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1230812 is about 1109.4196681148. The cubic root of 1230812 is about 107.1676992979.

It can be divided in two parts, 12308 and 12, that multiplied together give a triangular number (147696 = T₅₄₃).

The spelling of 1230812 in words is "one million, two hundred thirty thousand, eight hundred twelve".