1132813 has 4 divisors (see below), whose sum is σ = 1235808. Its totient is φ = 1029820.

The previous prime is 1132811. The next prime is 1132823. The reversal of 1132813 is 3182311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1132813 - 2¹ = 1132811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132811) 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, 51481 + ... + 51502.

It is an arithmetic number, because the mean of its divisors is an integer number (308952).

2^1132813 is an apocalyptic number.

It is an amenable number.

1132813 is a deficient number, since it is larger than the sum of its proper divisors (102995).

1132813 is a wasteful number, since it uses less digits than its factorization.

1132813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102994.

The product of its digits is 144, while the sum is 19.

The square root of 1132813 is about 1064.3368827585. The cubic root of 1132813 is about 104.2444017796.

It can be divided in two parts, 113 and 2813, that added together give a triangular number (2926 = T₇₆).

The spelling of 1132813 in words is "one million, one hundred thirty-two thousand, eight hundred thirteen".