12537099 has 12 divisors (see below), whose sum is σ = 18780216. Its totient is φ = 8357904.

The previous prime is 12537089. The next prime is 12537101. The reversal of 12537099 is 99073521.

It is not a de Polignac number, because 12537099 - 2¹³ = 12528907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12537079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25554 + ... + 26039.

It is an arithmetic number, because the mean of its divisors is an integer number (1565018).

Almost surely, 2^12537099 is an apocalyptic number.

12537099 is a deficient number, since it is larger than the sum of its proper divisors (6243117).

12537099 is an frugal number, since it uses more digits than its factorization.

12537099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51608 (or 51596 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 12537099 is about 3540.7766097284. The cubic root of 12537099 is about 232.3088126507.

The spelling of 12537099 in words is "twelve million, five hundred thirty-seven thousand, ninety-nine".