12477205439 has 8 divisors (see below), whose sum is σ = 13021043712. Its totient is φ = 11933479800.

The previous prime is 12477205421. The next prime is 12477205459. The reversal of 12477205439 is 93450277421.

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 12477205439 - 2¹⁶ = 12477139903 is a prime.

It is a super-2 number, since 2×12477205439² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12477205439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12477205409) 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, 261914 + ... + 305864.

It is an arithmetic number, because the mean of its divisors is an integer number (1627630464).

Almost surely, 2^12477205439 is an apocalyptic number.

12477205439 is a deficient number, since it is larger than the sum of its proper divisors (543838273).

12477205439 is a wasteful number, since it uses less digits than its factorization.

12477205439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56317.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 12477205439 in words is "twelve billion, four hundred seventy-seven million, two hundred five thousand, four hundred thirty-nine".