13143916 has 6 divisors (see below), whose sum is σ = 23001860. Its totient is φ = 6571956.

The previous prime is 13143901. The next prime is 13143937. The reversal of 13143916 is 61934131.

13143916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1642986 + ... + 1642993.

Almost surely, 2^13143916 is an apocalyptic number.

It is an amenable number.

13143916 is a deficient number, since it is larger than the sum of its proper divisors (9857944).

13143916 is a wasteful number, since it uses less digits than its factorization.

13143916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285983 (or 3285981 counting only the distinct ones).

The product of its digits is 1944, while the sum is 28.

The square root of 13143916 is about 3625.4539026169. The cubic root of 13143916 is about 235.9979651266.

The spelling of 13143916 in words is "thirteen million, one hundred forty-three thousand, nine hundred sixteen".