13891060 has 24 divisors (see below), whose sum is σ = 29352960. Its totient is φ = 5521824.

The previous prime is 13891049. The next prime is 13891063. The reversal of 13891060 is 6019831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13891063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261 + ... + 5419.

It is an arithmetic number, because the mean of its divisors is an integer number (1223040).

Almost surely, 2^13891060 is an apocalyptic number.

13891060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13891060 is an abundant number, since it is smaller than the sum of its proper divisors (15461900).

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

13891060 is a wasteful number, since it uses less digits than its factorization.

13891060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4335 (or 4333 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 13891060 is about 3727.0712362390. The cubic root of 13891060 is about 240.3874528682.

The spelling of 13891060 in words is "thirteen million, eight hundred ninety-one thousand, sixty".