13964865 has 8 divisors (see below), whose sum is σ = 22343808. Its totient is φ = 7447920.

The previous prime is 13964861. The next prime is 13964893. The reversal of 13964865 is 56846931.

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

It is not a de Polignac number, because 13964865 - 2² = 13964861 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13964861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465481 + ... + 465510.

It is an arithmetic number, because the mean of its divisors is an integer number (2792976).

Almost surely, 2^13964865 is an apocalyptic number.

13964865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13964865 is a deficient number, since it is larger than the sum of its proper divisors (8378943).

13964865 is an equidigital number, since it uses as much as digits as its factorization.

13964865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930999.

The product of its digits is 155520, while the sum is 42.

The square root of 13964865 is about 3736.9593254409. The cubic root of 13964865 is about 240.8124376401.

The spelling of 13964865 in words is "thirteen million, nine hundred sixty-four thousand, eight hundred sixty-five".