1213183 has 2 divisors, whose sum is σ = 1213184. Its totient is φ = 1213182.

The previous prime is 1213153. The next prime is 1213189. The reversal of 1213183 is 3813121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1213183 - 2⁵ = 1213151 is a prime.

1213183 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1213183.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606591 + 606592.

It is an arithmetic number, because the mean of its divisors is an integer number (606592).

2^1213183 is an apocalyptic number.

1213183 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213183 is an equidigital number, since it uses as much as digits as its factorization.

1213183 is an evil number, because the sum of its binary digits is even.

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

The square root of 1213183 is about 1101.4458679390. The cubic root of 1213183 is about 106.6535802088.

The spelling of 1213183 in words is "one million, two hundred thirteen thousand, one hundred eighty-three".