13890054 has 16 divisors (see below), whose sum is σ = 29414448. Its totient is φ = 4357632.

The previous prime is 13890031. The next prime is 13890113. The reversal of 13890054 is 45009831.

13890054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67987 + ... + 68190.

It is an arithmetic number, because the mean of its divisors is an integer number (1838403).

Almost surely, 2^13890054 is an apocalyptic number.

13890054 is an abundant number, since it is smaller than the sum of its proper divisors (15524394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13890054 is a wasteful number, since it uses less digits than its factorization.

13890054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136199.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 13890054 is about 3726.9362752803. The cubic root of 13890054 is about 240.3816497206.

Adding to 13890054 its reverse (45009831), we get a palindrome (58899885).

The spelling of 13890054 in words is "thirteen million, eight hundred ninety thousand, fifty-four".