13259420 has 24 divisors (see below), whose sum is σ = 28095984. Its totient is φ = 5255936.

The previous prime is 13259417. The next prime is 13259423. The reversal of 13259420 is 2495231.

It is an interprime number because it is at equal distance from previous prime (13259417) and next prime (13259423).

It is a self number, because there is not a number n which added to its sum of digits gives 13259420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13259423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674 + ... + 5193.

It is an arithmetic number, because the mean of its divisors is an integer number (1170666).

Almost surely, 2^13259420 is an apocalyptic number.

13259420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13259420 is an abundant number, since it is smaller than the sum of its proper divisors (14836564).

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

13259420 is a wasteful number, since it uses less digits than its factorization.

13259420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5989 (or 5987 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 13259420 is about 3641.3486512555. The cubic root of 13259420 is about 236.6872383978.

The spelling of 13259420 in words is "thirteen million, two hundred fifty-nine thousand, four hundred twenty".