12981902 has 8 divisors (see below), whose sum is σ = 20497800. Its totient is φ = 6149304.

The previous prime is 12981893. The next prime is 12981911. The reversal of 12981902 is 20918921.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12981893) and next prime (12981911).

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 170777 + ... + 170852.

It is an arithmetic number, because the mean of its divisors is an integer number (2562225).

Almost surely, 2^12981902 is an apocalyptic number.

12981902 is a deficient number, since it is larger than the sum of its proper divisors (7515898).

12981902 is a wasteful number, since it uses less digits than its factorization.

12981902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341650.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 12981902 is about 3603.0406603312. The cubic root of 12981902 is about 235.0243041108.

The spelling of 12981902 in words is "twelve million, nine hundred eighty-one thousand, nine hundred two".