13396963 has 4 divisors (see below), whose sum is σ = 13427920. Its totient is φ = 13366008.

The previous prime is 13396939. The next prime is 13396979. The reversal of 13396963 is 36969331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13396963 - 2⁹ = 13396451 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 14820 + ... + 15697.

It is an arithmetic number, because the mean of its divisors is an integer number (3356980).

Almost surely, 2^13396963 is an apocalyptic number.

13396963 is a deficient number, since it is larger than the sum of its proper divisors (30957).

13396963 is an equidigital number, since it uses as much as digits as its factorization.

13396963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30956.

The product of its digits is 78732, while the sum is 40.

The square root of 13396963 is about 3660.1861974495. The cubic root of 13396963 is about 237.5028284058.

The spelling of 13396963 in words is "thirteen million, three hundred ninety-six thousand, nine hundred sixty-three".