12632963838 has 32 divisors (see below), whose sum is σ = 27585653760. Its totient is φ = 3825000960.

The previous prime is 12632963813. The next prime is 12632963839. The reversal of 12632963838 is 83836923621.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12632963839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1683 + ... + 158961.

It is an arithmetic number, because the mean of its divisors is an integer number (862051680).

Almost surely, 2^12632963838 is an apocalyptic number.

12632963838 is an abundant number, since it is smaller than the sum of its proper divisors (14952689922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12632963838 is a wasteful number, since it uses less digits than its factorization.

12632963838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158512.

The product of its digits is 2239488, while the sum is 51.

The spelling of 12632963838 in words is "twelve billion, six hundred thirty-two million, nine hundred sixty-three thousand, eight hundred thirty-eight".