1306412512 has 24 divisors (see below), whose sum is σ = 2683827216. Its totient is φ = 624805632.

The previous prime is 1306412501. The next prime is 1306412519. The reversal of 1306412512 is 2152146031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306412519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886773 + ... + 888244.

It is an arithmetic number, because the mean of its divisors is an integer number (111826134).

Almost surely, 2^1306412512 is an apocalyptic number.

It is an amenable number.

1306412512 is an abundant number, since it is smaller than the sum of its proper divisors (1377414704).

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

1306412512 is a wasteful number, since it uses less digits than its factorization.

1306412512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775050 (or 1775042 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1306412512 is about 36144.3289050993. The cubic root of 1306412512 is about 1093.1844456521.

Adding to 1306412512 its reverse (2152146031), we get a palindrome (3458558543).

The spelling of 1306412512 in words is "one billion, three hundred six million, four hundred twelve thousand, five hundred twelve".