12985371 has 24 divisors (see below), whose sum is σ = 21846240. Its totient is φ = 7278336.

The previous prime is 12985361. The next prime is 12985381. The reversal of 12985371 is 17358921.

It is an interprime number because it is at equal distance from previous prime (12985361) and next prime (12985381).

It is not a de Polignac number, because 12985371 - 2⁵ = 12985339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12985351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1395 + ... + 5283.

It is an arithmetic number, because the mean of its divisors is an integer number (910260).

Almost surely, 2^12985371 is an apocalyptic number.

12985371 is a deficient number, since it is larger than the sum of its proper divisors (8860869).

12985371 is a wasteful number, since it uses less digits than its factorization.

12985371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3955 (or 3952 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 12985371 is about 3603.5220271285. The cubic root of 12985371 is about 235.0452365006.

The spelling of 12985371 in words is "twelve million, nine hundred eighty-five thousand, three hundred seventy-one".