12644350 has 12 divisors (see below), whose sum is σ = 23518584. Its totient is φ = 5057720.

The previous prime is 12644341. The next prime is 12644353. The reversal of 12644350 is 5344621.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12644353) 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, 126394 + ... + 126493.

It is an arithmetic number, because the mean of its divisors is an integer number (1959882).

Almost surely, 2^12644350 is an apocalyptic number.

12644350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12644350 is a deficient number, since it is larger than the sum of its proper divisors (10874234).

12644350 is a wasteful number, since it uses less digits than its factorization.

12644350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252899 (or 252894 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 12644350 is about 3555.8894808472. The cubic root of 12644350 is about 232.9693758986.

Adding to 12644350 its reverse (5344621), we get a palindrome (17988971).

The spelling of 12644350 in words is "twelve million, six hundred forty-four thousand, three hundred fifty".