12901385 has 16 divisors (see below), whose sum is σ = 18734976. Its totient is φ = 8325888.

The previous prime is 12901381. The next prime is 12901393. The reversal of 12901385 is 58310921.

It is a cyclic number.

It is not a de Polignac number, because 12901385 - 2² = 12901381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12901381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10247 + ... + 11436.

It is an arithmetic number, because the mean of its divisors is an integer number (1170936).

Almost surely, 2^12901385 is an apocalyptic number.

It is an amenable number.

12901385 is a deficient number, since it is larger than the sum of its proper divisors (5833591).

12901385 is a wasteful number, since it uses less digits than its factorization.

12901385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21712.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 12901385 is about 3591.8498019823. The cubic root of 12901385 is about 234.5374029382.

The spelling of 12901385 in words is "twelve million, nine hundred one thousand, three hundred eighty-five".