12908754431 has 4 divisors (see below), whose sum is σ = 12915372864. Its totient is φ = 12902136000.

The previous prime is 12908754421. The next prime is 12908754437. The reversal of 12908754431 is 13445780921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13445780921 = 173 ⋅77721277.

It is a cyclic number.

It is not a de Polignac number, because 12908754431 - 2⁶ = 12908754367 is a prime.

It is a super-2 number, since 2×12908754431² (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 (12908754437) 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, 3306290 + ... + 3310191.

It is an arithmetic number, because the mean of its divisors is an integer number (3228843216).

Almost surely, 2^12908754431 is an apocalyptic number.

12908754431 is a deficient number, since it is larger than the sum of its proper divisors (6618433).

12908754431 is an equidigital number, since it uses as much as digits as its factorization.

12908754431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6618432.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 12908754431 in words is "twelve billion, nine hundred eight million, seven hundred fifty-four thousand, four hundred thirty-one".