13487796 has 120 divisors (see below), whose sum is σ = 42553280. Its totient is φ = 3639168.

The previous prime is 13487779. The next prime is 13487801. The reversal of 13487796 is 69778431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42936 + ... + 43248.

Almost surely, 2^13487796 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 13487796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21276640).

13487796 is an abundant number, since it is smaller than the sum of its proper divisors (29065484).

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

13487796 is a wasteful number, since it uses less digits than its factorization.

13487796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 344 counting only the distinct ones).

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

The square root of 13487796 is about 3672.5734846290. The cubic root of 13487796 is about 238.0383856360.

The spelling of 13487796 in words is "thirteen million, four hundred eighty-seven thousand, seven hundred ninety-six".