12701385 has 12 divisors (see below), whose sum is σ = 22015812. Its totient is φ = 6774048.

The previous prime is 12701371. The next prime is 12701387. The reversal of 12701385 is 58310721.

12701385 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 2 ways, for example, as 5588496 + 7112889 = 2364^2 + 2667^2 .

It is not a de Polignac number, because 12701385 - 2⁴ = 12701369 is a prime.

It is a super-2 number, since 2×12701385² = 322650361836450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12701387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141082 + ... + 141171.

It is an arithmetic number, because the mean of its divisors is an integer number (1834651).

Almost surely, 2^12701385 is an apocalyptic number.

12701385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12701385 is a deficient number, since it is larger than the sum of its proper divisors (9314427).

12701385 is a wasteful number, since it uses less digits than its factorization.

12701385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282264 (or 282261 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 12701385 is about 3563.9002511294. The cubic root of 12701385 is about 233.3191363244.

The spelling of 12701385 in words is "twelve million, seven hundred one thousand, three hundred eighty-five".