1162812 has 48 divisors (see below), whose sum is σ = 3153920. Its totient is φ = 326592.

The previous prime is 1162807. The next prime is 1162853. The reversal of 1162812 is 2182611.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9093 + ... + 9219.

2^1162812 is an apocalyptic number.

1162812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1162812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1576960).

1162812 is an abundant number, since it is smaller than the sum of its proper divisors (1991108).

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

1162812 is a wasteful number, since it uses less digits than its factorization.

1162812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 248 counting only the distinct ones).

The product of its digits is 192, while the sum is 21.

The square root of 1162812 is about 1078.3376094712. The cubic root of 1162812 is about 105.1565917476.

The spelling of 1162812 in words is "one million, one hundred sixty-two thousand, eight hundred twelve".