1212383 has 4 divisors (see below), whose sum is σ = 1217160. Its totient is φ = 1207608.

The previous prime is 1212373. The next prime is 1212397. The reversal of 1212383 is 3832121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1212383 - 2⁶ = 1212319 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212373) 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, 1985 + ... + 2522.

It is an arithmetic number, because the mean of its divisors is an integer number (304290).

2^1212383 is an apocalyptic number.

1212383 is a deficient number, since it is larger than the sum of its proper divisors (4777).

1212383 is an equidigital number, since it uses as much as digits as its factorization.

1212383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4776.

The product of its digits is 288, while the sum is 20.

The square root of 1212383 is about 1101.0826490323. The cubic root of 1212383 is about 106.6301318019.

The spelling of 1212383 in words is "one million, two hundred twelve thousand, three hundred eighty-three".