13728486 has 16 divisors (see below), whose sum is σ = 29072304. Its totient is φ = 4306944.

The previous prime is 13728479. The next prime is 13728509. The reversal of 13728486 is 68482731.

It is a Curzon number.

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, 67195 + ... + 67398.

It is an arithmetic number, because the mean of its divisors is an integer number (1817019).

Almost surely, 2^13728486 is an apocalyptic number.

13728486 is an abundant number, since it is smaller than the sum of its proper divisors (15343818).

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

13728486 is a wasteful number, since it uses less digits than its factorization.

13728486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134615.

The product of its digits is 64512, while the sum is 39.

The square root of 13728486 is about 3705.1971607460. The cubic root of 13728486 is about 239.4459790150.

The spelling of 13728486 in words is "thirteen million, seven hundred twenty-eight thousand, four hundred eighty-six".