12149516 has 12 divisors (see below), whose sum is σ = 21622440. Its totient is φ = 5971680.

The previous prime is 12149513. The next prime is 12149519. The reversal of 12149516 is 61594121.

It is an interprime number because it is at equal distance from previous prime (12149513) and next prime (12149519).

It is a super-2 number, since 2×12149516² = 295221478068512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12149513) 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, 25505 + ... + 25976.

It is an arithmetic number, because the mean of its divisors is an integer number (1801870).

Almost surely, 2^12149516 is an apocalyptic number.

It is an amenable number.

12149516 is a deficient number, since it is larger than the sum of its proper divisors (9472924).

12149516 is a wasteful number, since it uses less digits than its factorization.

12149516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51544 (or 51542 counting only the distinct ones).

The product of its digits is 2160, while the sum is 29.

The square root of 12149516 is about 3485.6155840827. The cubic root of 12149516 is about 229.8897770539.

The spelling of 12149516 in words is "twelve million, one hundred forty-nine thousand, five hundred sixteen".