1213413332 has 12 divisors (see below), whose sum is σ = 2124522036. Its totient is φ = 606407040.

The previous prime is 1213413319. The next prime is 1213413353. The reversal of 1213413332 is 2333143121.

It can be written as a sum of positive squares in 2 ways, for example, as 623700676 + 589712656 = 24974^2 + 24284^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1213413298 and 1213413307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65669 + ... + 82092.

It is an arithmetic number, because the mean of its divisors is an integer number (177043503).

Almost surely, 2^1213413332 is an apocalyptic number.

It is an amenable number.

1213413332 is a deficient number, since it is larger than the sum of its proper divisors (911108704).

1213413332 is a wasteful number, since it uses less digits than its factorization.

1213413332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149818 (or 149816 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 1213413332 is about 34834.0829074055. The cubic root of 1213413332 is about 1066.6032944555.

Adding to 1213413332 its reverse (2333143121), we get a palindrome (3546556453).

The spelling of 1213413332 in words is "one billion, two hundred thirteen million, four hundred thirteen thousand, three hundred thirty-two".