12013892 has 12 divisors (see below), whose sum is σ = 22935696. Its totient is φ = 5460840.

The previous prime is 12013891. The next prime is 12013901. The reversal of 12013892 is 29831021.

It is not an unprimeable number, because it can be changed into a prime (12013891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136478 + ... + 136565.

It is an arithmetic number, because the mean of its divisors is an integer number (1911308).

Almost surely, 2^12013892 is an apocalyptic number.

It is an amenable number.

12013892 is a deficient number, since it is larger than the sum of its proper divisors (10921804).

12013892 is a wasteful number, since it uses less digits than its factorization.

12013892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273058 (or 273056 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 12013892 is about 3466.1061726381. The cubic root of 12013892 is about 229.0311609421.

The spelling of 12013892 in words is "twelve million, thirteen thousand, eight hundred ninety-two".