12039995 has 32 divisors (see below), whose sum is σ = 17003520. Its totient is φ = 8087040.

The previous prime is 12039991. The next prime is 12040001. The reversal of 12039995 is 59993021.

It is not a de Polignac number, because 12039995 - 2² = 12039991 is a prime.

It is a super-2 number, since 2×12039995² = 289922959200050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12039991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73784 + ... + 73946.

It is an arithmetic number, because the mean of its divisors is an integer number (531360).

Almost surely, 2^12039995 is an apocalyptic number.

12039995 is a deficient number, since it is larger than the sum of its proper divisors (4963525).

12039995 is a wasteful number, since it uses less digits than its factorization.

12039995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 12039995 is about 3469.8695940914. The cubic root of 12039995 is about 229.1969156031.

The spelling of 12039995 in words is "twelve million, thirty-nine thousand, nine hundred ninety-five".