1813056 has 112 divisors (see below), whose sum is σ = 5852160. Its totient is φ = 483840.

The previous prime is 1813039. The next prime is 1813073. The reversal of 1813056 is 6503181.

It is an interprime number because it is at equal distance from previous prime (1813039) and next prime (1813073).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 25501 + ... + 25571.

2^1813056 is an apocalyptic number.

1813056 is a gapful number since it is divisible by the number (16) 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 1813056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2926080).

1813056 is an abundant number, since it is smaller than the sum of its proper divisors (4039104).

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

1813056 is a wasteful number, since it uses less digits than its factorization.

1813056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1813056 is about 1346.4976791662. The cubic root of 1813056 is about 121.9374399312.

The spelling of 1813056 in words is "one million, eight hundred thirteen thousand, fifty-six".