12449376 has 72 divisors (see below), whose sum is σ = 36737064. Its totient is φ = 4147200.

The previous prime is 12449369. The next prime is 12449377. The reversal of 12449376 is 67394421.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12449376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12449377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6976 + ... + 8576.

It is an arithmetic number, because the mean of its divisors is an integer number (510237).

Almost surely, 2^12449376 is an apocalyptic number.

12449376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12449376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18368532).

12449376 is an abundant number, since it is smaller than the sum of its proper divisors (24287688).

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

12449376 is an equidigital number, since it uses as much as digits as its factorization.

12449376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626 (or 1606 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 12449376 is about 3528.3673278161. The cubic root of 12449376 is about 231.7657167209.

The spelling of 12449376 in words is "twelve million, four hundred forty-nine thousand, three hundred seventy-six".