12939729754 has 8 divisors (see below), whose sum is σ = 22182393888. Its totient is φ = 5545598460.

The previous prime is 12939729743. The next prime is 12939729757. The reversal of 12939729754 is 45792793921.

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

It is a super-2 number, since 2×12939729754² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12939729757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462133192 + ... + 462133219.

It is an arithmetic number, because the mean of its divisors is an integer number (2772799236).

Almost surely, 2^12939729754 is an apocalyptic number.

12939729754 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12939729754 is a deficient number, since it is larger than the sum of its proper divisors (9242664134).

12939729754 is an equidigital number, since it uses as much as digits as its factorization.

12939729754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924266420.

The product of its digits is 8573040, while the sum is 58.

The spelling of 12939729754 in words is "twelve billion, nine hundred thirty-nine million, seven hundred twenty-nine thousand, seven hundred fifty-four".