1453812 has 12 divisors (see below), whose sum is σ = 3392256. Its totient is φ = 484600.

The previous prime is 1453783. The next prime is 1453817. The reversal of 1453812 is 2183541.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1453812² = 4227138662688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60564 + ... + 60587.

It is an arithmetic number, because the mean of its divisors is an integer number (282688).

2^1453812 is an apocalyptic number.

1453812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1453812 is an abundant number, since it is smaller than the sum of its proper divisors (1938444).

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

1453812 is a wasteful number, since it uses less digits than its factorization.

1453812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121158 (or 121156 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 1453812 is about 1205.7412657780. The cubic root of 1453812 is about 113.2842193958.

The spelling of 1453812 in words is "one million, four hundred fifty-three thousand, eight hundred twelve".