12438049 has 8 divisors (see below), whose sum is σ = 13528872. Its totient is φ = 11366400.

The previous prime is 12438043. The next prime is 12438053. The reversal of 12438049 is 94083421.

12438049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6411024 + 6027025 = 2532^2 + 2455^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12438049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12438049.

It is not an unprimeable number, because it can be changed into a prime (12438043) 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, 3424 + ... + 6049.

It is an arithmetic number, because the mean of its divisors is an integer number (1691109).

Almost surely, 2^12438049 is an apocalyptic number.

It is an amenable number.

12438049 is a deficient number, since it is larger than the sum of its proper divisors (1090823).

12438049 is a wasteful number, since it uses less digits than its factorization.

12438049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9587.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 12438049 is about 3526.7618292139. The cubic root of 12438049 is about 231.6954051151.

The spelling of 12438049 in words is "twelve million, four hundred thirty-eight thousand, forty-nine".