12690654263 has 8 divisors (see below), whose sum is σ = 14517680640. Its totient is φ = 10867146840.

The previous prime is 12690654253. The next prime is 12690654311. The reversal of 12690654263 is 36245609621.

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 12690654263 - 2¹⁴ = 12690637879 is a prime.

It is a super-2 number, since 2×12690654263² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12690654253) 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, 872003 + ... + 886436.

It is an arithmetic number, because the mean of its divisors is an integer number (1814710080).

Almost surely, 2^12690654263 is an apocalyptic number.

12690654263 is a deficient number, since it is larger than the sum of its proper divisors (1827026377).

12690654263 is a wasteful number, since it uses less digits than its factorization.

12690654263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759477.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 12690654263 in words is "twelve billion, six hundred ninety million, six hundred fifty-four thousand, two hundred sixty-three".