12130965 has 80 divisors (see below), whose sum is σ = 27181440. Its totient is φ = 5028480.

The previous prime is 12130907. The next prime is 12130973. The reversal of 12130965 is 56903121.

12130965 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12130965 - 2⁶ = 12130901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 30991 + ... + 31379.

It is an arithmetic number, because the mean of its divisors is an integer number (339768).

Almost surely, 2^12130965 is an apocalyptic number.

12130965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12130965 is an abundant number, since it is smaller than the sum of its proper divisors (15050475).

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

12130965 is a wasteful number, since it uses less digits than its factorization.

12130965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 12130965 is about 3482.9534880615. The cubic root of 12130965 is about 229.7727118236.

The spelling of 12130965 in words is "twelve million, one hundred thirty thousand, nine hundred sixty-five".