1213346 has 4 divisors (see below), whose sum is σ = 1820022. Its totient is φ = 606672.

The previous prime is 1213339. The next prime is 1213357. The reversal of 1213346 is 6433121.

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

It can be written as a sum of positive squares in only one way, i.e., 978121 + 235225 = 989^2 + 485^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303335 + ... + 303338.

2^1213346 is an apocalyptic number.

1213346 is a deficient number, since it is larger than the sum of its proper divisors (606676).

1213346 is an equidigital number, since it uses as much as digits as its factorization.

1213346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606675.

The product of its digits is 432, while the sum is 20.

The square root of 1213346 is about 1101.5198591038. The cubic root of 1213346 is about 106.6583565575.

Adding to 1213346 its reverse (6433121), we get a palindrome (7646467).

The spelling of 1213346 in words is "one million, two hundred thirteen thousand, three hundred forty-six".