12149011 has 6 divisors (see below), whose sum is σ = 14132580. Its totient is φ = 10413396.

The previous prime is 12149009. The next prime is 12149021. The reversal of 12149011 is 11094121.

It is not a de Polignac number, because 12149011 - 2¹ = 12149009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12149011.

It is not an unprimeable number, because it can be changed into a prime (12149021) 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 5 ways as a sum of consecutive naturals, for example, 123921 + ... + 124018.

It is an arithmetic number, because the mean of its divisors is an integer number (2355430).

Almost surely, 2^12149011 is an apocalyptic number.

12149011 is a deficient number, since it is larger than the sum of its proper divisors (1983569).

12149011 is an equidigital number, since it uses as much as digits as its factorization.

12149011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247953 (or 247946 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 12149011 is about 3485.5431427541. The cubic root of 12149011 is about 229.8865918531.

The spelling of 12149011 in words is "twelve million, one hundred forty-nine thousand, eleven".