13421010 has 64 divisors (see below), whose sum is σ = 33685632. Its totient is φ = 3419136.

The previous prime is 13420999. The next prime is 13421021. The reversal of 13421010 is 1012431.

It is a happy number.

13421010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13420999) and next prime (13421021).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118714 + ... + 118826.

It is an arithmetic number, because the mean of its divisors is an integer number (526338).

Almost surely, 2^13421010 is an apocalyptic number.

13421010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13421010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16842816).

13421010 is an abundant number, since it is smaller than the sum of its proper divisors (20264622).

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

13421010 is a wasteful number, since it uses less digits than its factorization.

13421010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 13421010 is about 3663.4696668595. The cubic root of 13421010 is about 237.6448460849.

Adding to 13421010 its reverse (1012431), we get a palindrome (14433441).

The spelling of 13421010 in words is "thirteen million, four hundred twenty-one thousand, ten".