12016049 has 4 divisors (see below), whose sum is σ = 12295536. Its totient is φ = 11736564.

The previous prime is 12016033. The next prime is 12016057. The reversal of 12016049 is 94061021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12016049 - 2⁴ = 12016033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12016099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139679 + ... + 139764.

It is an arithmetic number, because the mean of its divisors is an integer number (3073884).

Almost surely, 2^12016049 is an apocalyptic number.

It is an amenable number.

12016049 is a deficient number, since it is larger than the sum of its proper divisors (279487).

12016049 is an equidigital number, since it uses as much as digits as its factorization.

12016049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279486.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 12016049 is about 3466.4173147502. The cubic root of 12016049 is about 229.0448670375.

The spelling of 12016049 in words is "twelve million, sixteen thousand, forty-nine".