13890454 has 8 divisors (see below), whose sum is σ = 20995128. Its totient is φ = 6892080.

The previous prime is 13890451. The next prime is 13890467. The reversal of 13890454 is 45409831.

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

It is a super-2 number, since 2×13890454² = 385889424652232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13890451) 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, 26247 + ... + 26770.

It is an arithmetic number, because the mean of its divisors is an integer number (2624391).

Almost surely, 2^13890454 is an apocalyptic number.

13890454 is a deficient number, since it is larger than the sum of its proper divisors (7104674).

13890454 is a wasteful number, since it uses less digits than its factorization.

13890454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53150.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 13890454 is about 3726.9899382746. The cubic root of 13890454 is about 240.3839571687.

The spelling of 13890454 in words is "thirteen million, eight hundred ninety thousand, four hundred fifty-four".