13420310 has 32 divisors (see below), whose sum is σ = 25894080. Its totient is φ = 4989952.

The previous prime is 13420291. The next prime is 13420321. The reversal of 13420310 is 1302431.

13420310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13420310² = 360209440992200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14687 + ... + 15573.

It is an arithmetic number, because the mean of its divisors is an integer number (809190).

Almost surely, 2^13420310 is an apocalyptic number.

13420310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13420310 is a deficient number, since it is larger than the sum of its proper divisors (12473770).

13420310 is a wasteful number, since it uses less digits than its factorization.

13420310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000.

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

The square root of 13420310 is about 3663.3741277680. The cubic root of 13420310 is about 237.6407143968.

Adding to 13420310 its reverse (1302431), we get a palindrome (14722741).

The spelling of 13420310 in words is "thirteen million, four hundred twenty thousand, three hundred ten".