1213360464 has 80 divisors (see below), whose sum is σ = 3288539520. Its totient is φ = 384975360.

The previous prime is 1213360459. The next prime is 1213360471. The reversal of 1213360464 is 4640633121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92694 + ... + 104970.

It is an arithmetic number, because the mean of its divisors is an integer number (41106744).

Almost surely, 2^1213360464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213360464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1644269760).

1213360464 is an abundant number, since it is smaller than the sum of its proper divisors (2075179056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213360464 is a wasteful number, since it uses less digits than its factorization.

1213360464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12388 (or 12382 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1213360464 is about 34833.3240446559. The cubic root of 1213360464 is about 1066.5878037181.

Adding to 1213360464 its reverse (4640633121), we get a palindrome (5853993585).

The spelling of 1213360464 in words is "one billion, two hundred thirteen million, three hundred sixty thousand, four hundred sixty-four".