12765497 has 8 divisors (see below), whose sum is σ = 12972744. Its totient is φ = 12560128.

The previous prime is 12765463. The next prime is 12765499. The reversal of 12765497 is 79456721.

It can be written as a sum of positive squares in 4 ways, for example, as 346921 + 12418576 = 589^2 + 3524^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12765497 - 2⁶ = 12765433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12765499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19223 + ... + 19875.

It is an arithmetic number, because the mean of its divisors is an integer number (1621593).

Almost surely, 2^12765497 is an apocalyptic number.

It is an amenable number.

12765497 is a deficient number, since it is larger than the sum of its proper divisors (207247).

12765497 is a wasteful number, since it uses less digits than its factorization.

12765497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939.

The product of its digits is 105840, while the sum is 41.

The square root of 12765497 is about 3572.8835693316. The cubic root of 12765497 is about 233.7110478718.

The spelling of 12765497 in words is "twelve million, seven hundred sixty-five thousand, four hundred ninety-seven".