12443274 has 16 divisors (see below), whose sum is σ = 27651840. Its totient is φ = 4147740.

The previous prime is 12443273. The next prime is 12443281. The reversal of 12443274 is 47234421.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12443273) 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, 115162 + ... + 115269.

It is an arithmetic number, because the mean of its divisors is an integer number (1728240).

Almost surely, 2^12443274 is an apocalyptic number.

12443274 is an abundant number, since it is smaller than the sum of its proper divisors (15208566).

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

12443274 is a wasteful number, since it uses less digits than its factorization.

12443274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230442 (or 230436 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 12443274 is about 3527.5025159452. The cubic root of 12443274 is about 231.7278442598.

Adding to 12443274 its reverse (47234421), we get a palindrome (59677695).

The spelling of 12443274 in words is "twelve million, four hundred forty-three thousand, two hundred seventy-four".