12444534 has 12 divisors (see below), whose sum is σ = 26963196. Its totient is φ = 4148172.

The previous prime is 12444533. The next prime is 12444539. The reversal of 12444534 is 43544421.

It is a happy number.

12444534 is a `hidden beast` number, since 124 + 4 + 4 + 534 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12444498 and 12444507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12444533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 345664 + ... + 345699.

It is an arithmetic number, because the mean of its divisors is an integer number (2246933).

Almost surely, 2^12444534 is an apocalyptic number.

12444534 is an abundant number, since it is smaller than the sum of its proper divisors (14518662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12444534 is a wasteful number, since it uses less digits than its factorization.

12444534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691371 (or 691368 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 12444534 is about 3527.6811080368. The cubic root of 12444534 is about 231.7356655462.

Adding to 12444534 its reverse (43544421), we get a palindrome (55988955).

It can be divided in two parts, 1244 and 4534, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 12444534 in words is "twelve million, four hundred forty-four thousand, five hundred thirty-four".