12901293 has 6 divisors (see below), whose sum is σ = 18635214. Its totient is φ = 8600856.

The previous prime is 12901279. The next prime is 12901297. The reversal of 12901293 is 39210921.

It can be written as a sum of positive squares in only one way, i.e., 11985444 + 915849 = 3462^2 + 957^2 .

It is not a de Polignac number, because 12901293 - 2⁴ = 12901277 is a prime.

It is a super-2 number, since 2×12901293² = 332886722143698, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12901297) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 716730 + ... + 716747.

It is an arithmetic number, because the mean of its divisors is an integer number (3105869).

Almost surely, 2^12901293 is an apocalyptic number.

It is an amenable number.

12901293 is a deficient number, since it is larger than the sum of its proper divisors (5733921).

12901293 is a wasteful number, since it uses less digits than its factorization.

12901293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433483 (or 1433480 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 12901293 is about 3591.8369951878. The cubic root of 12901293 is about 234.5368454401.

The spelling of 12901293 in words is "twelve million, nine hundred one thousand, two hundred ninety-three".