513707012 has 24 divisors (see below), whose sum is σ = 1106446656. Its totient is φ = 203224608.

The previous prime is 513706997. The next prime is 513707017. The reversal of 513707012 is 210707315.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (513707017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705278 + ... + 706005.

It is an arithmetic number, because the mean of its divisors is an integer number (46101944).

Almost surely, 2^513707012 is an apocalyptic number.

513707012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

513707012 is an abundant number, since it is smaller than the sum of its proper divisors (592739644).

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

513707012 is a wasteful number, since it uses less digits than its factorization.

513707012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411307 (or 1411305 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 513707012 is about 22665.1056031072. The cubic root of 513707012 is about 800.8880825220. Note that the first 3 decimals are identical.

The spelling of 513707012 in words is "five hundred thirteen million, seven hundred seven thousand, twelve".