1323506260 has 12 divisors (see below), whose sum is σ = 2779363188. Its totient is φ = 529402496.

The previous prime is 1323506251. The next prime is 1323506291. The reversal of 1323506260 is 626053231.

It can be written as a sum of positive squares in 2 ways, for example, as 205005124 + 1118501136 = 14318^2 + 33444^2 .

It is a super-3 number, since 3×1323506260³ (a number of 28 digits) contains 333 as substring.

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, 33087637 + ... + 33087676.

It is an arithmetic number, because the mean of its divisors is an integer number (231613599).

Almost surely, 2^1323506260 is an apocalyptic number.

1323506260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323506260 is an abundant number, since it is smaller than the sum of its proper divisors (1455856928).

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

1323506260 is a wasteful number, since it uses less digits than its factorization.

1323506260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66175322 (or 66175320 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 1323506260 is about 36380.0255634874. The cubic root of 1323506260 is about 1097.9317223688.

Adding to 1323506260 its reverse (626053231), we get a palindrome (1949559491).

The spelling of 1323506260 in words is "one billion, three hundred twenty-three million, five hundred six thousand, two hundred sixty".