12019995 has 48 divisors (see below), whose sum is σ = 23298912. Its totient is φ = 5909760.

The previous prime is 12019993. The next prime is 12020051. The reversal of 12019995 is 59991021.

It is not a de Polignac number, because 12019995 - 2¹ = 12019993 is a prime.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (12019993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15415 + ... + 16175.

It is an arithmetic number, because the mean of its divisors is an integer number (485394).

Almost surely, 2^12019995 is an apocalyptic number.

12019995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12019995 is a deficient number, since it is larger than the sum of its proper divisors (11278917).

12019995 is an equidigital number, since it uses as much as digits as its factorization.

12019995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 36.

The square root of 12019995 is about 3466.9864435847. The cubic root of 12019995 is about 229.0699366237.

The spelling of 12019995 in words is "twelve million, nineteen thousand, nine hundred ninety-five".