13212693 has 16 divisors (see below), whose sum is σ = 21080640. Its totient is φ = 8130672.

The previous prime is 13212679. The next prime is 13212697. The reversal of 13212693 is 39621231.

It is not a de Polignac number, because 13212693 - 2⁴ = 13212677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212697) 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 15 ways as a sum of consecutive naturals, for example, 18471 + ... + 19172.

It is an arithmetic number, because the mean of its divisors is an integer number (1317540).

Almost surely, 2^13212693 is an apocalyptic number.

13212693 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13212693 is a deficient number, since it is larger than the sum of its proper divisors (7867947).

13212693 is a wasteful number, since it uses less digits than its factorization.

13212693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37665 (or 37659 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 13212693 is about 3634.9268218219. The cubic root of 13212693 is about 236.4088777619.

The spelling of 13212693 in words is "thirteen million, two hundred twelve thousand, six hundred ninety-three".