12881962 has 8 divisors (see below), whose sum is σ = 20340000. Its totient is φ = 6101964.

The previous prime is 12881959. The next prime is 12881963. The reversal of 12881962 is 26918821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12881963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169462 + ... + 169537.

It is an arithmetic number, because the mean of its divisors is an integer number (2542500).

Almost surely, 2^12881962 is an apocalyptic number.

12881962 is a deficient number, since it is larger than the sum of its proper divisors (7458038).

12881962 is a wasteful number, since it uses less digits than its factorization.

12881962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339020.

The product of its digits is 13824, while the sum is 37.

The square root of 12881962 is about 3589.1450235397. The cubic root of 12881962 is about 234.4196453499.

It can be divided in two parts, 128819 and 62, that added together give a square (128881 = 359²).

The spelling of 12881962 in words is "twelve million, eight hundred eighty-one thousand, nine hundred sixty-two".