12748969 has 4 divisors (see below), whose sum is σ = 13303296. Its totient is φ = 12194644.

The previous prime is 12748937. The next prime is 12748987. The reversal of 12748969 is 96984721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12748969 - 2⁵ = 12748937 is a prime.

It is a super-2 number, since 2×12748969² = 325072421125922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12748919) 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, 277129 + ... + 277174.

It is an arithmetic number, because the mean of its divisors is an integer number (3325824).

Almost surely, 2^12748969 is an apocalyptic number.

It is an amenable number.

12748969 is a deficient number, since it is larger than the sum of its proper divisors (554327).

12748969 is an equidigital number, since it uses as much as digits as its factorization.

12748969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554326.

The product of its digits is 217728, while the sum is 46.

The square root of 12748969 is about 3570.5698424761. The cubic root of 12748969 is about 233.6101392926.

The spelling of 12748969 in words is "twelve million, seven hundred forty-eight thousand, nine hundred sixty-nine".