12144507 has 8 divisors (see below), whose sum is σ = 16237584. Its totient is φ = 8073888.

The previous prime is 12144493. The next prime is 12144521. The reversal of 12144507 is 70544121.

It is an interprime number because it is at equal distance from previous prime (12144493) and next prime (12144521).

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

It is not a de Polignac number, because 12144507 - 2⁴ = 12144491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12144577) 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, 4308 + ... + 6545.

It is an arithmetic number, because the mean of its divisors is an integer number (2029698).

Almost surely, 2^12144507 is an apocalyptic number.

12144507 is a deficient number, since it is larger than the sum of its proper divisors (4093077).

12144507 is a wasteful number, since it uses less digits than its factorization.

12144507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11229.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 12144507 is about 3484.8969855650. The cubic root of 12144507 is about 229.8581797410.

Adding to 12144507 its reverse (70544121), we get a palindrome (82688628).

The spelling of 12144507 in words is "twelve million, one hundred forty-four thousand, five hundred seven".