12900755 has 8 divisors (see below), whose sum is σ = 17692512. Its totient is φ = 8846208.

The previous prime is 12900733. The next prime is 12900757. The reversal of 12900755 is 55700921.

12900755 is digitally balanced in base 2, 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 not a de Polignac number, because 12900755 - 2¹⁴ = 12884371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12900757) 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, 184262 + ... + 184331.

It is an arithmetic number, because the mean of its divisors is an integer number (2211564).

Almost surely, 2^12900755 is an apocalyptic number.

12900755 is a deficient number, since it is larger than the sum of its proper divisors (4791757).

12900755 is an equidigital number, since it uses as much as digits as its factorization.

12900755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368605.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 12900755 is about 3591.7621023670. The cubic root of 12900755 is about 234.5335852352.

The spelling of 12900755 in words is "twelve million, nine hundred thousand, seven hundred fifty-five".