12144430 has 16 divisors (see below), whose sum is σ = 22019760. Its totient is φ = 4822272.

The previous prime is 12144413. The next prime is 12144463. The reversal of 12144430 is 3444121.

It is a junction number, because it is equal to n+sod(n) for n = 12144398 and 12144407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2979 + ... + 5758.

It is an arithmetic number, because the mean of its divisors is an integer number (1376235).

Almost surely, 2^12144430 is an apocalyptic number.

12144430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12144430 is a deficient number, since it is larger than the sum of its proper divisors (9875330).

12144430 is a wasteful number, since it uses less digits than its factorization.

12144430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8883.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 12144430 is about 3484.8859378752. The cubic root of 12144430 is about 229.8576939489.

Adding to 12144430 its reverse (3444121), we get a palindrome (15588551).

It can be divided in two parts, 121 and 44430, that added together give a triangular number (44551 = T₂₉₈).

The spelling of 12144430 in words is "twelve million, one hundred forty-four thousand, four hundred thirty".