1146813 has 4 divisors (see below), whose sum is σ = 1529088. Its totient is φ = 764540.

The previous prime is 1146809. The next prime is 1146823. The reversal of 1146813 is 3186411.

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 a cyclic number.

It is not a de Polignac number, because 1146813 - 2² = 1146809 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146823) 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, 191133 + ... + 191138.

It is an arithmetic number, because the mean of its divisors is an integer number (382272).

2^1146813 is an apocalyptic number.

It is an amenable number.

1146813 is a deficient number, since it is larger than the sum of its proper divisors (382275).

1146813 is an equidigital number, since it uses as much as digits as its factorization.

1146813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382274.

The product of its digits is 576, while the sum is 24.

The square root of 1146813 is about 1070.8935521330. The cubic root of 1146813 is about 104.6720835545.

The spelling of 1146813 in words is "one million, one hundred forty-six thousand, eight hundred thirteen".