12919995 has 48 divisors (see below), whose sum is σ = 25039872. Its totient is φ = 6108480.

The previous prime is 12919987. The next prime is 12920003. The reversal of 12919995 is 59991921.

12919995 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12919987) and next prime (12920003).

It is not a de Polignac number, because 12919995 - 2³ = 12919987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12919995.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20982 + ... + 21588.

It is an arithmetic number, because the mean of its divisors is an integer number (521664).

Almost surely, 2^12919995 is an apocalyptic number.

12919995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12919995 is a deficient number, since it is larger than the sum of its proper divisors (12119877).

12919995 is a wasteful number, since it uses less digits than its factorization.

12919995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 669 counting only the distinct ones).

The product of its digits is 65610, while the sum is 45.

The square root of 12919995 is about 3594.4394556036. The cubic root of 12919995 is about 234.6501206571.

The spelling of 12919995 in words is "twelve million, nine hundred nineteen thousand, nine hundred ninety-five".