12902402 has 8 divisors (see below), whose sum is σ = 20195136. Its totient is φ = 6170692.

The previous prime is 12902401. The next prime is 12902423. The reversal of 12902402 is 20420921.

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 (12902401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140198 + ... + 140289.

It is an arithmetic number, because the mean of its divisors is an integer number (2524392).

Almost surely, 2^12902402 is an apocalyptic number.

12902402 is a deficient number, since it is larger than the sum of its proper divisors (7292734).

12902402 is a wasteful number, since it uses less digits than its factorization.

12902402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280512.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12902402 is about 3591.9913697001. The cubic root of 12902402 is about 234.5435655394.

The spelling of 12902402 in words is "twelve million, nine hundred two thousand, four hundred two".