12537963 has 16 divisors (see below), whose sum is σ = 18663840. Its totient is φ = 8318592.

The previous prime is 12537953. The next prime is 12537971. The reversal of 12537963 is 36973521.

It is not a de Polignac number, because 12537963 - 2⁹ = 12537451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12537953) 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, 5295 + ... + 7287.

It is an arithmetic number, because the mean of its divisors is an integer number (1166490).

Almost surely, 2^12537963 is an apocalyptic number.

12537963 is a deficient number, since it is larger than the sum of its proper divisors (6125877).

12537963 is a wasteful number, since it uses less digits than its factorization.

12537963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235 (or 2229 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 12537963 is about 3540.8986147587. The cubic root of 12537963 is about 232.3141490847.

It can be divided in two parts, 1253 and 7963, that added together give a square (9216 = 96²).

The spelling of 12537963 in words is "twelve million, five hundred thirty-seven thousand, nine hundred sixty-three".