12900291 has 8 divisors (see below), whose sum is σ = 17492160. Its totient is φ = 8454312.

The previous prime is 12900289. The next prime is 12900299. The reversal of 12900291 is 19200921.

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

It is not a de Polignac number, because 12900291 - 2¹ = 12900289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12900299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36265 + ... + 36618.

It is an arithmetic number, because the mean of its divisors is an integer number (2186520).

Almost surely, 2^12900291 is an apocalyptic number.

12900291 is a deficient number, since it is larger than the sum of its proper divisors (4591869).

12900291 is an equidigital number, since it uses as much as digits as its factorization.

12900291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72945.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 12900291 is about 3591.6975095350. The cubic root of 12900291 is about 234.5307733871.

The spelling of 12900291 in words is "twelve million, nine hundred thousand, two hundred ninety-one".