12972069 has 48 divisors (see below), whose sum is σ = 22224384. Its totient is φ = 7484400.

The previous prime is 12972067. The next prime is 12972073. The reversal of 12972069 is 96027921.

It is not a de Polignac number, because 12972069 - 2¹ = 12972067 is a prime.

It is a super-2 number, since 2×12972069² = 336549148281522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12972067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61374 + ... + 61584.

It is an arithmetic number, because the mean of its divisors is an integer number (463008).

Almost surely, 2^12972069 is an apocalyptic number.

It is an amenable number.

12972069 is a deficient number, since it is larger than the sum of its proper divisors (9252315).

12972069 is a wasteful number, since it uses less digits than its factorization.

12972069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 12972069 is about 3601.6758599297. The cubic root of 12972069 is about 234.9649502578.

The spelling of 12972069 in words is "twelve million, nine hundred seventy-two thousand, sixty-nine".