13421902 has 8 divisors (see below), whose sum is σ = 21681576. Its totient is φ = 6194712.

The previous prime is 13421897. The next prime is 13421917. The reversal of 13421902 is 20912431.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258088 + ... + 258139.

It is an arithmetic number, because the mean of its divisors is an integer number (2710197).

Almost surely, 2^13421902 is an apocalyptic number.

13421902 is a deficient number, since it is larger than the sum of its proper divisors (8259674).

13421902 is a wasteful number, since it uses less digits than its factorization.

13421902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516242.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 13421902 is about 3663.5914073488. The cubic root of 13421902 is about 237.6501108280.

The spelling of 13421902 in words is "thirteen million, four hundred twenty-one thousand, nine hundred two".