12937390 has 8 divisors (see below), whose sum is σ = 23287320. Its totient is φ = 5174952.

The previous prime is 12937387. The next prime is 12937403. The reversal of 12937390 is 9373921.

12937390 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646860 + ... + 646879.

It is an arithmetic number, because the mean of its divisors is an integer number (2910915).

Almost surely, 2^12937390 is an apocalyptic number.

12937390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12937390 is a deficient number, since it is larger than the sum of its proper divisors (10349930).

12937390 is a wasteful number, since it uses less digits than its factorization.

12937390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293746.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 12937390 is about 3596.8583513950. The cubic root of 12937390 is about 234.7553814921.

The spelling of 12937390 in words is "twelve million, nine hundred thirty-seven thousand, three hundred ninety".