12965730 has 32 divisors (see below), whose sum is σ = 32949504. Its totient is φ = 3254016.

The previous prime is 12965723. The next prime is 12965731. The reversal of 12965730 is 3756921.

It is a super-2 number, since 2×12965730² = 336220308865800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12965691 and 12965700.

It is not an unprimeable number, because it can be changed into a prime (12965731) 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 15 ways as a sum of consecutive naturals, for example, 12202 + ... + 13221.

It is an arithmetic number, because the mean of its divisors is an integer number (1029672).

Almost surely, 2^12965730 is an apocalyptic number.

12965730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12965730 is an abundant number, since it is smaller than the sum of its proper divisors (19983774).

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

12965730 is a wasteful number, since it uses less digits than its factorization.

12965730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25450.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 12965730 is about 3600.7957453874. The cubic root of 12965730 is about 234.9266709492.

It can be divided in two parts, 12965 and 730, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 12965730 in words is "twelve million, nine hundred sixty-five thousand, seven hundred thirty".