12057965 has 4 divisors (see below), whose sum is σ = 14469564. Its totient is φ = 9646368.

The previous prime is 12057949. The next prime is 12057979. The reversal of 12057965 is 56975021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7941124 + 4116841 = 2818^2 + 2029^2 .

It is a cyclic number.

It is not a de Polignac number, because 12057965 - 2⁴ = 12057949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205792 + ... + 1205801.

It is an arithmetic number, because the mean of its divisors is an integer number (3617391).

Almost surely, 2^12057965 is an apocalyptic number.

It is an amenable number.

12057965 is a deficient number, since it is larger than the sum of its proper divisors (2411599).

12057965 is an equidigital number, since it uses as much as digits as its factorization.

12057965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411598.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 12057965 is about 3472.4580631017. The cubic root of 12057965 is about 229.3108863369.

It can be divided in two parts, 120 and 57965, that added together give a palindrome (58085).

The spelling of 12057965 in words is "twelve million, fifty-seven thousand, nine hundred sixty-five".