12049317 has 40 divisors (see below), whose sum is σ = 20908800. Its totient is φ = 6772896.

The previous prime is 12049313. The next prime is 12049319. The reversal of 12049317 is 71394021.

It is not a de Polignac number, because 12049317 - 2² = 12049313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12049313) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 44659 + ... + 44927.

It is an arithmetic number, because the mean of its divisors is an integer number (522720).

Almost surely, 2^12049317 is an apocalyptic number.

It is an amenable number.

12049317 is a deficient number, since it is larger than the sum of its proper divisors (8859483).

12049317 is an equidigital number, since it uses as much as digits as its factorization.

12049317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 12049317 is about 3471.2126123302. The cubic root of 12049317 is about 229.2560524623.

The spelling of 12049317 in words is "twelve million, forty-nine thousand, three hundred seventeen".