12981032 has 16 divisors (see below), whose sum is σ = 24377760. Its totient is φ = 6480304.

The previous prime is 12981011. The next prime is 12981083. The reversal of 12981032 is 23018921.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 12980992 and 12981010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8813 + ... + 10179.

It is an arithmetic number, because the mean of its divisors is an integer number (1523610).

Almost surely, 2^12981032 is an apocalyptic number.

It is an amenable number.

12981032 is a deficient number, since it is larger than the sum of its proper divisors (11396728).

12981032 is a wasteful number, since it uses less digits than its factorization.

12981032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560 (or 2556 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 12981032 is about 3602.9199269481. The cubic root of 12981032 is about 235.0190538346.

Adding to 12981032 its reverse (23018921), we get a palindrome (35999953).

The spelling of 12981032 in words is "twelve million, nine hundred eighty-one thousand, thirty-two".