13213450 has 12 divisors (see below), whose sum is σ = 24577110. Its totient is φ = 5285360.

The previous prime is 13213441. The next prime is 13213451. The reversal of 13213450 is 5431231.

13213450 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 3 ways, for example, as 4809249 + 8404201 = 2193^2 + 2899^2 .

It is not an unprimeable number, because it can be changed into a prime (13213451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132085 + ... + 132184.

Almost surely, 2^13213450 is an apocalyptic number.

13213450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13213450 is a deficient number, since it is larger than the sum of its proper divisors (11363660).

13213450 is a wasteful number, since it uses less digits than its factorization.

13213450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264281 (or 264276 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 13213450 is about 3635.0309489742. The cubic root of 13213450 is about 236.4133925645.

Adding to 13213450 its reverse (5431231), we get a palindrome (18644681).

The spelling of 13213450 in words is "thirteen million, two hundred thirteen thousand, four hundred fifty".