12709738 has 16 divisors (see below), whose sum is σ = 19457856. Its totient is φ = 6225120.

The previous prime is 12709733. The next prime is 12709747. The reversal of 12709738 is 83790721.

It is a super-3 number, since 3×12709738³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12709697 and 12709706.

It is not an unprimeable number, because it can be changed into a prime (12709733) 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, 38233 + ... + 38563.

It is an arithmetic number, because the mean of its divisors is an integer number (1216116).

Almost surely, 2^12709738 is an apocalyptic number.

12709738 is a deficient number, since it is larger than the sum of its proper divisors (6748118).

12709738 is a wasteful number, since it uses less digits than its factorization.

12709738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 12709738 is about 3565.0719487831. The cubic root of 12709738 is about 233.3702721565.

The spelling of 12709738 in words is "twelve million, seven hundred nine thousand, seven hundred thirty-eight".