Adding to 13421044 its reverse (44012431), we get a palindrome (57433475).
It is a congruent number.
It is an unprimeable number.
Almost surely, 213421044 is an apocalyptic number.
13421044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13421044 is a wasteful number, since it uses less digits than its factorization.
13421044 is an odious number, because the sum of its binary digits is odd.
The square root of 13421044 is about 3663.4743072663. The cubic root of 13421044 is about 237.6450467633.
The spelling of 13421044 in words is "thirteen million, four hundred twenty-one thousand, forty-four".