13954013 has 4 divisors (see below), whose sum is σ = 13980348. Its totient is φ = 13927680.

The previous prime is 13953997. The next prime is 13954021. The reversal of 13954013 is 31045931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31045931 = 7 ⋅4435133.

It can be written as a sum of positive squares in 2 ways, for example, as 2951524 + 11002489 = 1718^2 + 3317^2 .

It is a cyclic number.

It is not a de Polignac number, because 13954013 - 2⁴ = 13953997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13954033) 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, 12356 + ... + 13437.

It is an arithmetic number, because the mean of its divisors is an integer number (3495087).

Almost surely, 2^13954013 is an apocalyptic number.

It is an amenable number.

13954013 is a deficient number, since it is larger than the sum of its proper divisors (26335).

13954013 is an equidigital number, since it uses as much as digits as its factorization.

13954013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26334.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 13954013 is about 3735.5070606278. The cubic root of 13954013 is about 240.7500435821.

Adding to 13954013 its reverse (31045931), we get a palindrome (44999944).

The spelling of 13954013 in words is "thirteen million, nine hundred fifty-four thousand, thirteen".