12148965 has 24 divisors (see below), whose sum is σ = 22298328. Its totient is φ = 6097920.

The previous prime is 12148963. The next prime is 12148967. The reversal of 12148965 is 56984121.

12148965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12148963) and next prime (12148967).

It can be written as a sum of positive squares in 4 ways, for example, as 5461569 + 6687396 = 2337^2 + 2586^2 .

It is not a de Polignac number, because 12148965 - 2¹ = 12148963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12148963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7176 + ... + 8705.

It is an arithmetic number, because the mean of its divisors is an integer number (929097).

Almost surely, 2^12148965 is an apocalyptic number.

12148965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12148965 is a deficient number, since it is larger than the sum of its proper divisors (10149363).

12148965 is a wasteful number, since it uses less digits than its factorization.

12148965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15909 (or 15906 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 12148965 is about 3485.5365440632. The cubic root of 12148965 is about 229.8863017116.

The spelling of 12148965 in words is "twelve million, one hundred forty-eight thousand, nine hundred sixty-five".