13994861 has 8 divisors (see below), whose sum is σ = 14408064. Its totient is φ = 13586560.

The previous prime is 13994839. The next prime is 13994867. The reversal of 13994861 is 16849931.

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

It is a cyclic number.

It is not a de Polignac number, because 13994861 - 2⁶ = 13994797 is a prime.

It is a super-2 number, since 2×13994861² = 391712268818642, 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 (13994867) 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, 5021 + ... + 7293.

It is an arithmetic number, because the mean of its divisors is an integer number (1801008).

Almost surely, 2^13994861 is an apocalyptic number.

It is an amenable number.

13994861 is a deficient number, since it is larger than the sum of its proper divisors (413203).

13994861 is a wasteful number, since it uses less digits than its factorization.

13994861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451.

The product of its digits is 46656, while the sum is 41.

The square root of 13994861 is about 3740.9705959817. The cubic root of 13994861 is about 240.9847329964.

The spelling of 13994861 in words is "thirteen million, nine hundred ninety-four thousand, eight hundred sixty-one".