13954257 has 12 divisors (see below), whose sum is σ = 20336004. Its totient is φ = 9219840.

The previous prime is 13954223. The next prime is 13954273. The reversal of 13954257 is 75245931.

It can be written as a sum of positive squares in 2 ways, for example, as 1252161 + 12702096 = 1119^2 + 3564^2 .

It is not a de Polignac number, because 13954257 - 2¹⁵ = 13921489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13954207) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5844 + ... + 7877.

It is an arithmetic number, because the mean of its divisors is an integer number (1694667).

Almost surely, 2^13954257 is an apocalyptic number.

It is an amenable number.

13954257 is a deficient number, since it is larger than the sum of its proper divisors (6381747).

13954257 is a wasteful number, since it uses less digits than its factorization.

13954257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13840 (or 13837 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 13954257 is about 3735.5397200405. The cubic root of 13954257 is about 240.7514468264.

The spelling of 13954257 in words is "thirteen million, nine hundred fifty-four thousand, two hundred fifty-seven".