12984651 has 16 divisors (see below), whose sum is σ = 20368800. Its totient is φ = 8146944.

The previous prime is 12984649. The next prime is 12984683. The reversal of 12984651 is 15648921.

It is not a de Polignac number, because 12984651 - 2¹ = 12984649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12984611) 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, 13686 + ... + 14603.

It is an arithmetic number, because the mean of its divisors is an integer number (1273050).

Almost surely, 2^12984651 is an apocalyptic number.

12984651 is a deficient number, since it is larger than the sum of its proper divisors (7384149).

12984651 is a wasteful number, since it uses less digits than its factorization.

12984651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28315 (or 28309 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 12984651 is about 3603.4221234821. The cubic root of 12984651 is about 235.0408922351.

It can be divided in two parts, 1298465 and 1, that added together give a triangular number (1298466 = T₁₆₁₁).

The spelling of 12984651 in words is "twelve million, nine hundred eighty-four thousand, six hundred fifty-one".