12613438 has 8 divisors (see below), whose sum is σ = 18935280. Its totient is φ = 6301680.

The previous prime is 12613409. The next prime is 12613457. The reversal of 12613438 is 83431621.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3258 + ... + 5986.

It is an arithmetic number, because the mean of its divisors is an integer number (2366910).

Almost surely, 2^12613438 is an apocalyptic number.

12613438 is a deficient number, since it is larger than the sum of its proper divisors (6321842).

12613438 is a wasteful number, since it uses less digits than its factorization.

12613438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5042.

The product of its digits is 3456, while the sum is 28.

The square root of 12613438 is about 3551.5402292527. The cubic root of 12613438 is about 232.7793720381.

The spelling of 12613438 in words is "twelve million, six hundred thirteen thousand, four hundred thirty-eight".