12371493 has 16 divisors (see below), whose sum is σ = 17320320. Its totient is φ = 7839744.

The previous prime is 12371473. The next prime is 12371497. The reversal of 12371493 is 39417321.

12371493 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12371493 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12371493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12371497) 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, 12853 + ... + 13781.

It is an arithmetic number, because the mean of its divisors is an integer number (1082520).

Almost surely, 2^12371493 is an apocalyptic number.

It is an amenable number.

12371493 is a deficient number, since it is larger than the sum of its proper divisors (4948827).

12371493 is a wasteful number, since it uses less digits than its factorization.

12371493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148.

The product of its digits is 4536, while the sum is 30.

The square root of 12371493 is about 3517.3133212724. The cubic root of 12371493 is about 231.2813984150.

The spelling of 12371493 in words is "twelve million, three hundred seventy-one thousand, four hundred ninety-three".