1326412500 has 288 divisors, whose sum is σ = 4591706112. Its totient is φ = 291600000.

The previous prime is 1326412499. The next prime is 1326412513. The reversal of 1326412500 is 52146231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8137419 + ... + 8137581.

It is an arithmetic number, because the mean of its divisors is an integer number (15943424).

Almost surely, 2^1326412500 is an apocalyptic number.

1326412500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1326412500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2295853056).

1326412500 is an abundant number, since it is smaller than the sum of its proper divisors (3265293612).

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

1326412500 is a wasteful number, since it uses less digits than its factorization.

1326412500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1326412500 is about 36419.9464579508. The cubic root of 1326412500 is about 1098.7347711769.

Adding to 1326412500 its reverse (52146231), we get a palindrome (1378558731).

The spelling of 1326412500 in words is "one billion, three hundred twenty-six million, four hundred twelve thousand, five hundred".