13213485 has 12 divisors (see below), whose sum is σ = 22903452. Its totient is φ = 7047168.

The previous prime is 13213481. The next prime is 13213507. The reversal of 13213485 is 58431231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8311689 + 4901796 = 2883^2 + 2214^2 .

It is not a de Polignac number, because 13213485 - 2² = 13213481 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 146772 + ... + 146861.

It is an arithmetic number, because the mean of its divisors is an integer number (1908621).

Almost surely, 2^13213485 is an apocalyptic number.

13213485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13213485 is a deficient number, since it is larger than the sum of its proper divisors (9689967).

13213485 is a wasteful number, since it uses less digits than its factorization.

13213485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293644 (or 293641 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 13213485 is about 3635.0357632353. The cubic root of 13213485 is about 236.4136013029.

The spelling of 13213485 in words is "thirteen million, two hundred thirteen thousand, four hundred eighty-five".