12295144 has 8 divisors (see below), whose sum is σ = 23053410. Its totient is φ = 6147568.

The previous prime is 12295117. The next prime is 12295163. The reversal of 12295144 is 44159221.

It can be written as a sum of positive squares in only one way, i.e., 6959044 + 5336100 = 2638^2 + 2310^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 768439 + ... + 768454.

Almost surely, 2^12295144 is an apocalyptic number.

It is an amenable number.

12295144 is a deficient number, since it is larger than the sum of its proper divisors (10758266).

12295144 is a wasteful number, since it uses less digits than its factorization.

12295144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536899 (or 1536895 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 12295144 is about 3506.4432121453. The cubic root of 12295144 is about 230.8046423379.

It can be divided in two parts, 122 and 95144, that added together give a triangular number (95266 = T₄₃₆).

The spelling of 12295144 in words is "twelve million, two hundred ninety-five thousand, one hundred forty-four".