12938305 has 8 divisors (see below), whose sum is σ = 16201152. Its totient is φ = 9900528.

The previous prime is 12938293. The next prime is 12938323. The reversal of 12938305 is 50383921.

It is a happy number.

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 12938305 - 2⁵ = 12938273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56139 + ... + 56368.

It is an arithmetic number, because the mean of its divisors is an integer number (2025144).

Almost surely, 2^12938305 is an apocalyptic number.

It is an amenable number.

12938305 is a deficient number, since it is larger than the sum of its proper divisors (3262847).

12938305 is a wasteful number, since it uses less digits than its factorization.

12938305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112535.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 12938305 is about 3596.9855434794. The cubic root of 12938305 is about 234.7609157384.

The spelling of 12938305 in words is "twelve million, nine hundred thirty-eight thousand, three hundred five".