12620759 has 4 divisors (see below), whose sum is σ = 12701304. Its totient is φ = 12540216.

The previous prime is 12620711. The next prime is 12620789. The reversal of 12620759 is 95702621.

12620759 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95702621 = 7 ⋅13671803.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12620759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12620789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40037 + ... + 40350.

It is an arithmetic number, because the mean of its divisors is an integer number (3175326).

Almost surely, 2^12620759 is an apocalyptic number.

12620759 is a deficient number, since it is larger than the sum of its proper divisors (80545).

12620759 is an equidigital number, since it uses as much as digits as its factorization.

12620759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80544.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 12620759 is about 3552.5707593235. The cubic root of 12620759 is about 232.8243993648.

The spelling of 12620759 in words is "twelve million, six hundred twenty thousand, seven hundred fifty-nine".