Search a number
-
+
12107644 = 223026911
BaseRepresentation
bin101110001011…
…111101111100
3211210010120021
4232023331330
511044421034
61111301524
7204625153
oct56137574
924703507
1012107644
11691a71a
12407a8a4
13267bcb3
14187259a
1510e26b4
hexb8bf7c

12107644 has 6 divisors (see below), whose sum is σ = 21188384. Its totient is φ = 6053820.

The previous prime is 12107629. The next prime is 12107647. The reversal of 12107644 is 44670121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12107647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1513452 + ... + 1513459.

Almost surely, 212107644 is an apocalyptic number.

It is an amenable number.

12107644 is a deficient number, since it is larger than the sum of its proper divisors (9080740).

12107644 is a wasteful number, since it uses less digits than its factorization.

12107644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026915 (or 3026913 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 12107644 is about 3479.6040004575. The cubic root of 12107644 is about 229.6253762820.

Adding to 12107644 its reverse (44670121), we get a palindrome (56777765).

The spelling of 12107644 in words is "twelve million, one hundred seven thousand, six hundred forty-four".

Divisors: 1 2 4 3026911 6053822 12107644