12380755 has 8 divisors (see below), whose sum is σ = 15258672. Its totient is φ = 9636768.

The previous prime is 12380717. The next prime is 12380759. The reversal of 12380755 is 55708321.

12380755 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12380755 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12380759) 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, 33277 + ... + 33646.

It is an arithmetic number, because the mean of its divisors is an integer number (1907334).

Almost surely, 2^12380755 is an apocalyptic number.

12380755 is a deficient number, since it is larger than the sum of its proper divisors (2877917).

12380755 is an equidigital number, since it uses as much as digits as its factorization.

12380755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66965.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 12380755 is about 3518.6297048709. The cubic root of 12380755 is about 231.3391008001.

The spelling of 12380755 in words is "twelve million, three hundred eighty thousand, seven hundred fifty-five".