1213364 has 6 divisors (see below), whose sum is σ = 2123394. Its totient is φ = 606680.

The previous prime is 1213357. The next prime is 1213367. The reversal of 1213364 is 4633121.

It can be written as a sum of positive squares in only one way, i.e., 1210000 + 3364 = 1100^2 + 58^2 .

It is a d-powerful number, because it can be written as 1 + 2⁵ + 1 + 3¹⁰ + 3¹⁰ + 6⁶ + 4¹⁰ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151667 + ... + 151674.

It is an arithmetic number, because the mean of its divisors is an integer number (353899).

2^1213364 is an apocalyptic number.

It is an amenable number.

1213364 is a deficient number, since it is larger than the sum of its proper divisors (910030).

1213364 is a wasteful number, since it uses less digits than its factorization.

1213364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303345 (or 303343 counting only the distinct ones).

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

The square root of 1213364 is about 1101.5280296025. The cubic root of 1213364 is about 106.6588839808.

Adding to 1213364 its reverse (4633121), we get a palindrome (5846485).

It can be divided in two parts, 121 and 3364, that multiplied together give a square (407044 = 638²).

The spelling of 1213364 in words is "one million, two hundred thirteen thousand, three hundred sixty-four".