13396943 has 12 divisors (see below), whose sum is σ = 15744312. Its totient is φ = 11365200.

The previous prime is 13396939. The next prime is 13396979. The reversal of 13396943 is 34969331.

It is not a de Polignac number, because 13396943 - 2² = 13396939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13396897 and 13396906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13396913) 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, 3596 + ... + 6302.

It is an arithmetic number, because the mean of its divisors is an integer number (1312026).

Almost surely, 2^13396943 is an apocalyptic number.

13396943 is a deficient number, since it is larger than the sum of its proper divisors (2347369).

13396943 is a wasteful number, since it uses less digits than its factorization.

13396943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822 (or 2815 counting only the distinct ones).

The product of its digits is 52488, while the sum is 38.

The square root of 13396943 is about 3660.1834653471. The cubic root of 13396943 is about 237.5027102184.

The spelling of 13396943 in words is "thirteen million, three hundred ninety-six thousand, nine hundred forty-three".