12759620 has 24 divisors (see below), whose sum is σ = 26863704. Its totient is φ = 5090816.

The previous prime is 12759611. The next prime is 12759629. The reversal of 12759620 is 2695721.

It is an interprime number because it is at equal distance from previous prime (12759611) and next prime (12759629).

It can be written as a sum of positive squares in 4 ways, for example, as 2365444 + 10394176 = 1538^2 + 3224^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12759629) 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, 12572 + ... + 13548.

It is an arithmetic number, because the mean of its divisors is an integer number (1119321).

Almost surely, 2^12759620 is an apocalyptic number.

12759620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12759620 is an abundant number, since it is smaller than the sum of its proper divisors (14104084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12759620 is a wasteful number, since it uses less digits than its factorization.

12759620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639 (or 1637 counting only the distinct ones).

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

The square root of 12759620 is about 3572.0610297138. The cubic root of 12759620 is about 233.6751769440.

The spelling of 12759620 in words is "twelve million, seven hundred fifty-nine thousand, six hundred twenty".