12969742 has 24 divisors (see below), whose sum is σ = 21772440. Its totient is φ = 5777280.

The previous prime is 12969739. The next prime is 12969743. The reversal of 12969742 is 24796921.

It is a junction number, because it is equal to n+sod(n) for n = 12969695 and 12969704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12969743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10392 + ... + 11572.

It is an arithmetic number, because the mean of its divisors is an integer number (907185).

Almost surely, 2^12969742 is an apocalyptic number.

12969742 is a deficient number, since it is larger than the sum of its proper divisors (8802698).

12969742 is a wasteful number, since it uses less digits than its factorization.

12969742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236 (or 1219 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 12969742 is about 3601.3528013789. The cubic root of 12969742 is about 234.9508996558.

The spelling of 12969742 in words is "twelve million, nine hundred sixty-nine thousand, seven hundred forty-two".