12637065 has 32 divisors (see below), whose sum is σ = 23498496. Its totient is φ = 5679360.

The previous prime is 12637043. The next prime is 12637067. The reversal of 12637065 is 56073621.

It is not a de Polignac number, because 12637065 - 2¹⁹ = 12112777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12637067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5419 + ... + 7391.

It is an arithmetic number, because the mean of its divisors is an integer number (734328).

Almost surely, 2^12637065 is an apocalyptic number.

12637065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12637065 is a deficient number, since it is larger than the sum of its proper divisors (10861431).

12637065 is a wasteful number, since it uses less digits than its factorization.

12637065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 12637065 is about 3554.8649763388. The cubic root of 12637065 is about 232.9246257942.

The spelling of 12637065 in words is "twelve million, six hundred thirty-seven thousand, sixty-five".