13213460 has 24 divisors (see below), whose sum is σ = 29883336. Its totient is φ = 4878720.

The previous prime is 13213451. The next prime is 13213481. The reversal of 13213460 is 6431231.

13213460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2572816 + 10640644 = 1604^2 + 3262^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25151 + ... + 25670.

It is an arithmetic number, because the mean of its divisors is an integer number (1245139).

Almost surely, 2^13213460 is an apocalyptic number.

13213460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13213460 is an abundant number, since it is smaller than the sum of its proper divisors (16669876).

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

13213460 is a wasteful number, since it uses less digits than its factorization.

13213460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50843 (or 50841 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 13213460 is about 3635.0323244780. The cubic root of 13213460 is about 236.4134522041.

Adding to 13213460 its reverse (6431231), we get a palindrome (19644691).

The spelling of 13213460 in words is "thirteen million, two hundred thirteen thousand, four hundred sixty".