12144737 has 8 divisors (see below), whose sum is σ = 13474080. Its totient is φ = 10852960.

The previous prime is 12144709. The next prime is 12144739. The reversal of 12144737 is 73744121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12144737 - 2⁸ = 12144481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12144739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8708 + ... + 10005.

It is an arithmetic number, because the mean of its divisors is an integer number (1684260).

Almost surely, 2^12144737 is an apocalyptic number.

It is an amenable number.

12144737 is a deficient number, since it is larger than the sum of its proper divisors (1329343).

12144737 is a wasteful number, since it uses less digits than its factorization.

12144737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18783.

The product of its digits is 4704, while the sum is 29.

The square root of 12144737 is about 3484.9299849495. The cubic root of 12144737 is about 229.8596307961.

Adding to 12144737 its reverse (73744121), we get a palindrome (85888858).

The spelling of 12144737 in words is "twelve million, one hundred forty-four thousand, seven hundred thirty-seven".