12919885 has 8 divisors (see below), whose sum is σ = 16913376. Its totient is φ = 9396240.

The previous prime is 12919883. The next prime is 12919889. The reversal of 12919885 is 58891921.

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

It is not a de Polignac number, because 12919885 - 2¹ = 12919883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12919883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117399 + ... + 117508.

It is an arithmetic number, because the mean of its divisors is an integer number (2114172).

Almost surely, 2^12919885 is an apocalyptic number.

It is an amenable number.

12919885 is a deficient number, since it is larger than the sum of its proper divisors (3993491).

12919885 is a wasteful number, since it uses less digits than its factorization.

12919885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234923.

The product of its digits is 51840, while the sum is 43.

The square root of 12919885 is about 3594.4241541588. The cubic root of 12919885 is about 234.6494547232.

The spelling of 12919885 in words is "twelve million, nine hundred nineteen thousand, eight hundred eighty-five".