12537012 has 12 divisors (see below), whose sum is σ = 29253056. Its totient is φ = 4179000.

The previous prime is 12536999. The next prime is 12537013. The reversal of 12537012 is 21073521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 12537012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12537013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522364 + ... + 522387.

Almost surely, 2^12537012 is an apocalyptic number.

12537012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12537012 is an abundant number, since it is smaller than the sum of its proper divisors (16716044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12537012 is a wasteful number, since it uses less digits than its factorization.

12537012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044758 (or 1044756 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 12537012 is about 3540.7643242667. The cubic root of 12537012 is about 232.3082752879.

The spelling of 12537012 in words is "twelve million, five hundred thirty-seven thousand, twelve".