13421030 has 32 divisors (see below), whose sum is σ = 29064960. Its totient is φ = 4358880.

The previous prime is 13421021. The next prime is 13421039. The reversal of 13421030 is 3012431.

13421030 = T₃₆₆ + T₃₆₇ + ... + T₅₀₅.

It is an interprime number because it is at equal distance from previous prime (13421021) and next prime (13421039).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13420996 and 13421014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421039) 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 15 ways as a sum of consecutive naturals, for example, 3716 + ... + 6375.

It is an arithmetic number, because the mean of its divisors is an integer number (908280).

Almost surely, 2^13421030 is an apocalyptic number.

13421030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13421030 is an abundant number, since it is smaller than the sum of its proper divisors (15643930).

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

13421030 is a wasteful number, since it uses less digits than its factorization.

13421030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10124.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13421030 is about 3663.4723965113. The cubic root of 13421030 is about 237.6449641311.

Adding to 13421030 its reverse (3012431), we get a palindrome (16433461).

The spelling of 13421030 in words is "thirteen million, four hundred twenty-one thousand, thirty".