12909377 has 8 divisors (see below), whose sum is σ = 14138880. Its totient is φ = 11713680.

The previous prime is 12909353. The next prime is 12909389. The reversal of 12909377 is 77390921.

12909377 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 a cyclic number.

It is not a de Polignac number, because 12909377 - 2⁶ = 12909313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12909377.

It is not an unprimeable number, because it can be changed into a prime (12909397) 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, 7649 + ... + 9182.

It is an arithmetic number, because the mean of its divisors is an integer number (1767360).

Almost surely, 2^12909377 is an apocalyptic number.

It is an amenable number.

12909377 is a deficient number, since it is larger than the sum of its proper divisors (1229503).

12909377 is a wasteful number, since it uses less digits than its factorization.

12909377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16903.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 12909377 is about 3592.9621484229. The cubic root of 12909377 is about 234.5858224427.

The spelling of 12909377 in words is "twelve million, nine hundred nine thousand, three hundred seventy-seven".