12913277 has 8 divisors (see below), whose sum is σ = 14064120. Its totient is φ = 11784960.

The previous prime is 12913253. The next prime is 12913283. The reversal of 12913277 is 77231921.

12913277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1038361 + 11874916 = 1019^2 + 3446^2 .

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 12913277 - 2¹⁶ = 12847741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12913247) 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, 4424 + ... + 6737.

It is an arithmetic number, because the mean of its divisors is an integer number (1758015).

Almost surely, 2^12913277 is an apocalyptic number.

It is an amenable number.

12913277 is a deficient number, since it is larger than the sum of its proper divisors (1150843).

12913277 is a wasteful number, since it uses less digits than its factorization.

12913277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11263.

The product of its digits is 5292, while the sum is 32.

The square root of 12913277 is about 3593.5048351157. The cubic root of 12913277 is about 234.6094433242.

The spelling of 12913277 in words is "twelve million, nine hundred thirteen thousand, two hundred seventy-seven".