13963965 has 8 divisors (see below), whose sum is σ = 22342368. Its totient is φ = 7447440.

The previous prime is 13963931. The next prime is 13963973. The reversal of 13963965 is 56936931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13963965 - 2¹⁰ = 13962941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465451 + ... + 465480.

It is an arithmetic number, because the mean of its divisors is an integer number (2792796).

Almost surely, 2^13963965 is an apocalyptic number.

13963965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13963965 is a deficient number, since it is larger than the sum of its proper divisors (8378403).

13963965 is an equidigital number, since it uses as much as digits as its factorization.

13963965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930939.

The product of its digits is 131220, while the sum is 42.

The square root of 13963965 is about 3736.8389047429. The cubic root of 13963965 is about 240.8072642794.

The spelling of 13963965 in words is "thirteen million, nine hundred sixty-three thousand, nine hundred sixty-five".