13954591 has 4 divisors (see below), whose sum is σ = 15948112. Its totient is φ = 11961072.

The previous prime is 13954579. The next prime is 13954601. The reversal of 13954591 is 19545931.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19545931 = 419 ⋅46649.

It is a cyclic number.

It is not a de Polignac number, because 13954591 - 2¹⁹ = 13430303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13954591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13954511) 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, 996750 + ... + 996763.

It is an arithmetic number, because the mean of its divisors is an integer number (3987028).

Almost surely, 2^13954591 is an apocalyptic number.

13954591 is a deficient number, since it is larger than the sum of its proper divisors (1993521).

13954591 is an equidigital number, since it uses as much as digits as its factorization.

13954591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993520.

The product of its digits is 24300, while the sum is 37.

The square root of 13954591 is about 3735.5844254949. The cubic root of 13954591 is about 240.7533676343.

The spelling of 13954591 in words is "thirteen million, nine hundred fifty-four thousand, five hundred ninety-one".