13421450 has 48 divisors (see below), whose sum is σ = 29474304. Its totient is φ = 4449600.

The previous prime is 13421437. The next prime is 13421453. The reversal of 13421450 is 5412431.

13421450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13421453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10232 + ... + 11468.

It is an arithmetic number, because the mean of its divisors is an integer number (614048).

Almost surely, 2^13421450 is an apocalyptic number.

13421450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13421450 is an abundant number, since it is smaller than the sum of its proper divisors (16052854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13421450 is a wasteful number, since it uses less digits than its factorization.

13421450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287 (or 1282 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 13421450 is about 3663.5297187276. The cubic root of 13421450 is about 237.6474430725.

Adding to 13421450 its reverse (5412431), we get a palindrome (18833881).

The spelling of 13421450 in words is "thirteen million, four hundred twenty-one thousand, four hundred fifty".