12753909 has 16 divisors (see below), whose sum is σ = 21594240. Its totient is φ = 7287840.

The previous prime is 12753907. The next prime is 12753947. The reversal of 12753909 is 90935721.

It is not a de Polignac number, because 12753909 - 2¹ = 12753907 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12753901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33552 + ... + 33929.

It is an arithmetic number, because the mean of its divisors is an integer number (1349640).

Almost surely, 2^12753909 is an apocalyptic number.

It is an amenable number.

12753909 is a deficient number, since it is larger than the sum of its proper divisors (8840331).

12753909 is an equidigital number, since it uses as much as digits as its factorization.

12753909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67497 (or 67491 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 12753909 is about 3571.2615418084. The cubic root of 12753909 is about 233.6403086619.

It can be divided in two parts, 1275 and 3909, that added together give a square (5184 = 72²).

The spelling of 12753909 in words is "twelve million, seven hundred fifty-three thousand, nine hundred nine".