12006537 has 16 divisors (see below), whose sum is σ = 17309760. Its totient is φ = 7376832.

The previous prime is 12006523. The next prime is 12006541. The reversal of 12006537 is 73560021.

12006537 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 not a de Polignac number, because 12006537 - 2⁴ = 12006521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12006587) 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, 738 + ... + 4955.

It is an arithmetic number, because the mean of its divisors is an integer number (1081860).

Almost surely, 2^12006537 is an apocalyptic number.

It is an amenable number.

12006537 is a deficient number, since it is larger than the sum of its proper divisors (5303223).

12006537 is a wasteful number, since it uses less digits than its factorization.

12006537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5752.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 12006537 is about 3465.0450213525. The cubic root of 12006537 is about 228.9844131697.

Adding to 12006537 its reverse (73560021), we get a palindrome (85566558).

The spelling of 12006537 in words is "twelve million, six thousand, five hundred thirty-seven".