1358812 has 24 divisors (see below), whose sum is σ = 2927456. Its totient is φ = 537408.

The previous prime is 1358809. The next prime is 1358813. The reversal of 1358812 is 2188531.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1358813) 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 7 ways as a sum of consecutive naturals, for example, 1503 + ... + 2230.

2^1358812 is an apocalyptic number.

It is an amenable number.

1358812 is an abundant number, since it is smaller than the sum of its proper divisors (1568644).

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

1358812 is a wasteful number, since it uses less digits than its factorization.

1358812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3757 (or 3755 counting only the distinct ones).

The product of its digits is 1920, while the sum is 28.

The square root of 1358812 is about 1165.6809168894. The cubic root of 1358812 is about 110.7608953743.

The spelling of 1358812 in words is "one million, three hundred fifty-eight thousand, eight hundred twelve".