12145996 has 6 divisors (see below), whose sum is σ = 21255500. Its totient is φ = 6072996.

The previous prime is 12145993. The next prime is 12146023. The reversal of 12145996 is 69954121.

12145996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12145993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1518246 + ... + 1518253.

Almost surely, 2^12145996 is an apocalyptic number.

It is an amenable number.

12145996 is a deficient number, since it is larger than the sum of its proper divisors (9109504).

12145996 is a wasteful number, since it uses less digits than its factorization.

12145996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036503 (or 3036501 counting only the distinct ones).

The product of its digits is 19440, while the sum is 37.

The square root of 12145996 is about 3485.1106151742. The cubic root of 12145996 is about 229.8675734211.

The spelling of 12145996 in words is "twelve million, one hundred forty-five thousand, nine hundred ninety-six".