12838431 has 8 divisors (see below), whose sum is σ = 17135104. Its totient is φ = 8550360.

The previous prime is 12838429. The next prime is 12838477. The reversal of 12838431 is 13483821.

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

It is not a de Polignac number, because 12838431 - 2¹ = 12838429 is a prime.

It is a super-2 number, since 2×12838431² = 329650621083522, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12838411) 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, 3336 + ... + 6066.

It is an arithmetic number, because the mean of its divisors is an integer number (2141888).

Almost surely, 2^12838431 is an apocalyptic number.

12838431 is a deficient number, since it is larger than the sum of its proper divisors (4296673).

12838431 is a wasteful number, since it uses less digits than its factorization.

12838431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4301.

The product of its digits is 4608, while the sum is 30.

The square root of 12838431 is about 3583.0756341445. The cubic root of 12838431 is about 234.1552954097.

The spelling of 12838431 in words is "twelve million, eight hundred thirty-eight thousand, four hundred thirty-one".