12149095 has 16 divisors (see below), whose sum is σ = 16729920. Its totient is φ = 8296704.

The previous prime is 12149089. The next prime is 12149107. The reversal of 12149095 is 59094121.

It is a cyclic number.

It is not a de Polignac number, because 12149095 - 2⁷ = 12148967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10401 + ... + 11509.

It is an arithmetic number, because the mean of its divisors is an integer number (1045620).

Almost surely, 2^12149095 is an apocalyptic number.

12149095 is a deficient number, since it is larger than the sum of its proper divisors (4580825).

12149095 is a wasteful number, since it uses less digits than its factorization.

12149095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 12149095 is about 3485.5551925052. Note that the first 3 decimals coincide. The cubic root of 12149095 is about 229.8871216748.

It can be divided in two parts, 121 and 49095, that multiplied together give a palindrome (5940495).

The spelling of 12149095 in words is "twelve million, one hundred forty-nine thousand, ninety-five".