12739351 has 8 divisors (see below), whose sum is σ = 12920400. Its totient is φ = 12559872.

The previous prime is 12739343. The next prime is 12739373. The reversal of 12739351 is 15393721.

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

It is a cyclic number.

It is not a de Polignac number, because 12739351 - 2³ = 12739343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12739651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28536 + ... + 28978.

It is an arithmetic number, because the mean of its divisors is an integer number (1615050).

Almost surely, 2^12739351 is an apocalyptic number.

12739351 is a deficient number, since it is larger than the sum of its proper divisors (181049).

12739351 is a wasteful number, since it uses less digits than its factorization.

12739351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785.

The product of its digits is 5670, while the sum is 31.

The square root of 12739351 is about 3569.2227445202. Note that the first 3 decimals coincide. The cubic root of 12739351 is about 233.5513782644.

The spelling of 12739351 in words is "twelve million, seven hundred thirty-nine thousand, three hundred fifty-one".