1213353 has 8 divisors (see below), whose sum is σ = 1797600. Its totient is φ = 808884.

The previous prime is 1213339. The next prime is 1213357. The reversal of 1213353 is 3533121.

It is not a de Polignac number, because 1213353 - 2⁸ = 1213097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22443 + ... + 22496.

It is an arithmetic number, because the mean of its divisors is an integer number (224700).

2^1213353 is an apocalyptic number.

It is an amenable number.

1213353 is a deficient number, since it is larger than the sum of its proper divisors (584247).

1213353 is an equidigital number, since it uses as much as digits as its factorization.

1213353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44948 (or 44942 counting only the distinct ones).

The product of its digits is 270, while the sum is 18.

The square root of 1213353 is about 1101.5230365272. The cubic root of 1213353 is about 106.6585616671.

Adding to 1213353 its reverse (3533121), we get a palindrome (4746474).

The spelling of 1213353 in words is "one million, two hundred thirteen thousand, three hundred fifty-three".