12287613 has 8 divisors (see below), whose sum is σ = 17643808. Its totient is φ = 7561584.

The previous prime is 12287609. The next prime is 12287641. The reversal of 12287613 is 31678221.

12287613 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12287613 - 2² = 12287609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12287683) 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, 157495 + ... + 157572.

It is an arithmetic number, because the mean of its divisors is an integer number (2205476).

Almost surely, 2^12287613 is an apocalyptic number.

12287613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12287613 is a deficient number, since it is larger than the sum of its proper divisors (5356195).

12287613 is a wasteful number, since it uses less digits than its factorization.

12287613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315083.

The product of its digits is 4032, while the sum is 30.

The square root of 12287613 is about 3505.3691674344. The cubic root of 12287613 is about 230.7575086952.

The spelling of 12287613 in words is "twelve million, two hundred eighty-seven thousand, six hundred thirteen".