12651969 has 8 divisors (see below), whose sum is σ = 18402912. Its totient is φ = 7667840.

The previous prime is 12651953. The next prime is 12651971. The reversal of 12651969 is 96915621.

12651969 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12651969 - 2⁴ = 12651953 is a prime.

It is a super-2 number, since 2×12651969² = 320144639153922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12651469) 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, 191664 + ... + 191729.

It is an arithmetic number, because the mean of its divisors is an integer number (2300364).

Almost surely, 2^12651969 is an apocalyptic number.

It is an amenable number.

12651969 is a deficient number, since it is larger than the sum of its proper divisors (5750943).

12651969 is a wasteful number, since it uses less digits than its factorization.

12651969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383407.

The product of its digits is 29160, while the sum is 39.

The square root of 12651969 is about 3556.9606407718. The cubic root of 12651969 is about 233.0161593047.

The spelling of 12651969 in words is "twelve million, six hundred fifty-one thousand, nine hundred sixty-nine".