13213486 has 32 divisors (see below), whose sum is σ = 23804928. Its totient is φ = 5420640.

The previous prime is 13213481. The next prime is 13213507. The reversal of 13213486 is 68431231.

13213486 = 1091² + 1092² + ... + 1101².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12951 + ... + 13933.

It is an arithmetic number, because the mean of its divisors is an integer number (743904).

Almost surely, 2^13213486 is an apocalyptic number.

13213486 is a deficient number, since it is larger than the sum of its proper divisors (10591442).

13213486 is a wasteful number, since it uses less digits than its factorization.

13213486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056.

The product of its digits is 3456, while the sum is 28.

The square root of 13213486 is about 3635.0359007856. The cubic root of 13213486 is about 236.4136072668.

The spelling of 13213486 in words is "thirteen million, two hundred thirteen thousand, four hundred eighty-six".