13019966 has 8 divisors (see below), whose sum is σ = 19623144. Its totient is φ = 6478920.

The previous prime is 13019957. The next prime is 13019971. The reversal of 13019966 is 66991031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15005 + ... + 15848.

It is an arithmetic number, because the mean of its divisors is an integer number (2452893).

Almost surely, 2^13019966 is an apocalyptic number.

13019966 is a deficient number, since it is larger than the sum of its proper divisors (6603178).

13019966 is a wasteful number, since it uses less digits than its factorization.

13019966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31066.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 13019966 is about 3608.3189992017. The cubic root of 13019966 is about 235.2537834760.

The spelling of 13019966 in words is "thirteen million, nineteen thousand, nine hundred sixty-six".