13421901 has 8 divisors (see below), whose sum is σ = 17940064. Its totient is φ = 8925840.

The previous prime is 13421897. The next prime is 13421917. The reversal of 13421901 is 10912431.

13421901 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13421901 - 2² = 13421897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421951) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4051 + ... + 6576.

It is an arithmetic number, because the mean of its divisors is an integer number (2242508).

Almost surely, 2^13421901 is an apocalyptic number.

It is an amenable number.

13421901 is a deficient number, since it is larger than the sum of its proper divisors (4518163).

13421901 is a wasteful number, since it uses less digits than its factorization.

13421901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11051.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 13421901 is about 3663.5912708707. The cubic root of 13421901 is about 237.6501049259.

The spelling of 13421901 in words is "thirteen million, four hundred twenty-one thousand, nine hundred one".