12537697 has 8 divisors (see below), whose sum is σ = 12765600. Its totient is φ = 12311904.

The previous prime is 12537683. The next prime is 12537703. The reversal of 12537697 is 79673521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12537697 - 2¹⁵ = 12504929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12537647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15538 + ... + 16324.

It is an arithmetic number, because the mean of its divisors is an integer number (1595700).

Almost surely, 2^12537697 is an apocalyptic number.

It is an amenable number.

12537697 is a deficient number, since it is larger than the sum of its proper divisors (227903).

12537697 is an equidigital number, since it uses as much as digits as its factorization.

12537697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055.

The product of its digits is 79380, while the sum is 40.

The square root of 12537697 is about 3540.8610534727. The cubic root of 12537697 is about 232.3125061809.

The spelling of 12537697 in words is "twelve million, five hundred thirty-seven thousand, six hundred ninety-seven".