13964997 has 8 divisors (see below), whose sum is σ = 18638656. Its totient is φ = 9300672.

The previous prime is 13964989. The next prime is 13965053. The reversal of 13964997 is 79946931.

13964997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13964997 - 2³ = 13964989 is a prime.

It is a super-2 number, since 2×13964997² = 390042282420018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13964927) 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, 2733 + ... + 5949.

It is an arithmetic number, because the mean of its divisors is an integer number (2329832).

Almost surely, 2^13964997 is an apocalyptic number.

It is an amenable number.

13964997 is a deficient number, since it is larger than the sum of its proper divisors (4673659).

13964997 is a wasteful number, since it uses less digits than its factorization.

13964997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4667.

The product of its digits is 367416, while the sum is 48.

The square root of 13964997 is about 3736.9769868170. The cubic root of 13964997 is about 240.8131963809.

The spelling of 13964997 in words is "thirteen million, nine hundred sixty-four thousand, nine hundred ninety-seven".