13890754 has 8 divisors (see below), whose sum is σ = 20852028. Its totient is φ = 6940080.

The previous prime is 13890749. The next prime is 13890769. The reversal of 13890754 is 45709831.

It can be written as a sum of positive squares in 2 ways, for example, as 13890529 + 225 = 3727^2 + 15^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 3304 + ... + 6220.

Almost surely, 2^13890754 is an apocalyptic number.

13890754 is a deficient number, since it is larger than the sum of its proper divisors (6961274).

13890754 is a wasteful number, since it uses less digits than its factorization.

13890754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5300.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 13890754 is about 3727.0301850133. The cubic root of 13890754 is about 240.3856877258.

The spelling of 13890754 in words is "thirteen million, eight hundred ninety thousand, seven hundred fifty-four".