12653604406 has 8 divisors (see below), whose sum is σ = 19090120464. Its totient is φ = 6290230920.

The previous prime is 12653604371. The next prime is 12653604427. The reversal of 12653604406 is 60440635621.

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

It is a super-2 number, since 2×12653604406² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18285210 + ... + 18285901.

It is an arithmetic number, because the mean of its divisors is an integer number (2386265058).

Almost surely, 2^12653604406 is an apocalyptic number.

12653604406 is a deficient number, since it is larger than the sum of its proper divisors (6436516058).

12653604406 is a wasteful number, since it uses less digits than its factorization.

12653604406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36571286.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 12653604406 in words is "twelve billion, six hundred fifty-three million, six hundred four thousand, four hundred six".