12149105 has 8 divisors (see below), whose sum is σ = 14606592. Its totient is φ = 9700848.

The previous prime is 12149089. The next prime is 12149107. The reversal of 12149105 is 50194121.

It is a happy number.

12149105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12149105 - 2⁴ = 12149089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12149107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034 + ... + 5036.

It is an arithmetic number, because the mean of its divisors is an integer number (1825824).

Almost surely, 2^12149105 is an apocalyptic number.

It is an amenable number.

12149105 is a deficient number, since it is larger than the sum of its proper divisors (2457487).

12149105 is an equidigital number, since it uses as much as digits as its factorization.

12149105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 12149105 is about 3485.5566269966. The cubic root of 12149105 is about 229.8871847487.

The spelling of 12149105 in words is "twelve million, one hundred forty-nine thousand, one hundred five".