1325987412 has 24 divisors (see below), whose sum is σ = 3101935200. Its totient is φ = 440858016.

The previous prime is 1325987363. The next prime is 1325987423. The reversal of 1325987412 is 2147895231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137362 + ... + 146697.

It is an arithmetic number, because the mean of its divisors is an integer number (129247300).

Almost surely, 2^1325987412 is an apocalyptic number.

1325987412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1325987412 is an abundant number, since it is smaller than the sum of its proper divisors (1775947788).

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

1325987412 is a wasteful number, since it uses less digits than its factorization.

1325987412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284455 (or 284453 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 1325987412 is about 36414.1100673901. The cubic root of 1325987412 is about 1098.6173846501.

The spelling of 1325987412 in words is "one billion, three hundred twenty-five million, nine hundred eighty-seven thousand, four hundred twelve".