13954945 has 16 divisors (see below), whose sum is σ = 17462160. Its totient is φ = 10692864.

The previous prime is 13954939. The next prime is 13954973. The reversal of 13954945 is 54945931.

It can be written as a sum of positive squares in 8 ways, for example, as 3560769 + 10394176 = 1887^2 + 3224^2 .

It is a cyclic number.

It is not a de Polignac number, because 13954945 - 2²¹ = 11857793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13954898 and 13954907.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22459 + ... + 23071.

It is an arithmetic number, because the mean of its divisors is an integer number (1091385).

Almost surely, 2^13954945 is an apocalyptic number.

It is an amenable number.

13954945 is a deficient number, since it is larger than the sum of its proper divisors (3507215).

13954945 is a wasteful number, since it uses less digits than its factorization.

13954945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804.

The product of its digits is 97200, while the sum is 40.

The square root of 13954945 is about 3735.6318073386. The cubic root of 13954945 is about 240.7554034272.

The spelling of 13954945 in words is "thirteen million, nine hundred fifty-four thousand, nine hundred forty-five".