12315149 has 8 divisors (see below), whose sum is σ = 15354048. Its totient is φ = 9596160.

The previous prime is 12315131. The next prime is 12315161. The reversal of 12315149 is 94151321.

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

It is not a de Polignac number, because 12315149 - 2¹² = 12311053 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315109) 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, 79892 + ... + 80045.

It is an arithmetic number, because the mean of its divisors is an integer number (1919256).

Almost surely, 2^12315149 is an apocalyptic number.

It is an amenable number.

12315149 is a deficient number, since it is larger than the sum of its proper divisors (3038899).

12315149 is a wasteful number, since it uses less digits than its factorization.

12315149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159955.

The product of its digits is 1080, while the sum is 26.

The square root of 12315149 is about 3509.2946584748. The cubic root of 12315149 is about 230.9297525696.

The spelling of 12315149 in words is "twelve million, three hundred fifteen thousand, one hundred forty-nine".