12652077405 has 64 divisors (see below), whose sum is σ = 22533914880. Its totient is φ = 6010060800.

The previous prime is 12652077367. The next prime is 12652077407. The reversal of 12652077405 is 50477025621.

It is not a de Polignac number, because 12652077405 - 2⁹ = 12652076893 is a prime.

It is a super-2 number, since 2×12652077405² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12652077407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2705149 + ... + 2709821.

It is an arithmetic number, because the mean of its divisors is an integer number (352092420).

Almost surely, 2^12652077405 is an apocalyptic number.

12652077405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12652077405 is a deficient number, since it is larger than the sum of its proper divisors (9881837475).

12652077405 is a wasteful number, since it uses less digits than its factorization.

12652077405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5022.

The product of its (nonzero) digits is 117600, while the sum is 39.

The spelling of 12652077405 in words is "twelve billion, six hundred fifty-two million, seventy-seven thousand, four hundred five".