13421774 has 4 divisors (see below), whose sum is σ = 20132664. Its totient is φ = 6710886.

The previous prime is 13421767. The next prime is 13421783. The reversal of 13421774 is 47712431.

13421774 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a plaindrome in base 16.

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 as a sum of consecutive naturals, namely, 3355442 + ... + 3355445.

It is an arithmetic number, because the mean of its divisors is an integer number (5033166).

Almost surely, 2^13421774 is an apocalyptic number.

13421774 is a deficient number, since it is larger than the sum of its proper divisors (6710890).

13421774 is an equidigital number, since it uses as much as digits as its factorization.

13421774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6710889.

The product of its digits is 4704, while the sum is 29.

The square root of 13421774 is about 3663.5739381102. The cubic root of 13421774 is about 237.6493553635.

The spelling of 13421774 in words is "thirteen million, four hundred twenty-one thousand, seven hundred seventy-four".