13487976 has 48 divisors (see below), whose sum is σ = 37714560. Its totient is φ = 4350240.

The previous prime is 13487963. The next prime is 13487977. The reversal of 13487976 is 67978431.

It is not an unprimeable number, because it can be changed into a prime (13487977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 790 + ... + 5253.

It is an arithmetic number, because the mean of its divisors is an integer number (785720).

Almost surely, 2^13487976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13487976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18857280).

13487976 is an abundant number, since it is smaller than the sum of its proper divisors (24226584).

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

13487976 is a wasteful number, since it uses less digits than its factorization.

13487976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6086 (or 6079 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 13487976 is about 3672.5979905239. The cubic root of 13487976 is about 238.0394445369.

The spelling of 13487976 in words is "thirteen million, four hundred eighty-seven thousand, nine hundred seventy-six".