12900577 has 4 divisors (see below), whose sum is σ = 12917296. Its totient is φ = 12883860.

The previous prime is 12900553. The next prime is 12900581. The reversal of 12900577 is 77500921.

12900577 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77500921 = 43 ⋅1802347.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12900577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12900077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7143 + ... + 8764.

It is an arithmetic number, because the mean of its divisors is an integer number (3229324).

Almost surely, 2^12900577 is an apocalyptic number.

It is an amenable number.

12900577 is a deficient number, since it is larger than the sum of its proper divisors (16719).

12900577 is an equidigital number, since it uses as much as digits as its factorization.

12900577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16718.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 12900577 is about 3591.7373233576. The cubic root of 12900577 is about 234.5325065601.

The spelling of 12900577 in words is "twelve million, nine hundred thousand, five hundred seventy-seven".