12439361 has 8 divisors (see below), whose sum is σ = 13600224. Its totient is φ = 11283520.

The previous prime is 12439351. The next prime is 12439369. The reversal of 12439361 is 16393421.

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

It is a cyclic number.

It is not a de Polignac number, because 12439361 - 2²² = 8245057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12439369) 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, 5570 + ... + 7476.

It is an arithmetic number, because the mean of its divisors is an integer number (1700028).

Almost surely, 2^12439361 is an apocalyptic number.

12439361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12439361 is a deficient number, since it is larger than the sum of its proper divisors (1160863).

12439361 is a wasteful number, since it uses less digits than its factorization.

12439361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511.

The product of its digits is 3888, while the sum is 29.

The square root of 12439361 is about 3526.9478306320. The cubic root of 12439361 is about 231.7035514539.

The spelling of 12439361 in words is "twelve million, four hundred thirty-nine thousand, three hundred sixty-one".