12938555 has 8 divisors (see below), whose sum is σ = 17744352. Its totient is φ = 8872128.

The previous prime is 12938521. The next prime is 12938573. The reversal of 12938555 is 55583921.

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 12938555 - 2¹⁴ = 12922171 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, 184802 + ... + 184871.

It is an arithmetic number, because the mean of its divisors is an integer number (2218044).

Almost surely, 2^12938555 is an apocalyptic number.

12938555 is a deficient number, since it is larger than the sum of its proper divisors (4805797).

12938555 is an equidigital number, since it uses as much as digits as its factorization.

12938555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369685.

The product of its digits is 54000, while the sum is 38.

The square root of 12938555 is about 3597.0202946328. The cubic root of 12938555 is about 234.7624277822.

The spelling of 12938555 in words is "twelve million, nine hundred thirty-eight thousand, five hundred fifty-five".