12697455429 has 24 divisors (see below), whose sum is σ = 19103928480. Its totient is φ = 8427643056.

The previous prime is 12697455391. The next prime is 12697455457. The reversal of 12697455429 is 92455479621.

It is a happy number.

12697455429 is a `hidden beast` number, since 1 + 2 + 6 + 97 + 4 + 5 + 542 + 9 = 666.

It is not a de Polignac number, because 12697455429 - 2¹⁶ = 12697389893 is a prime.

It is a super-2 number, since 2×12697455429² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12697455479) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 59934 + ... + 170255.

It is an arithmetic number, because the mean of its divisors is an integer number (795997020).

Almost surely, 2^12697455429 is an apocalyptic number.

It is an amenable number.

12697455429 is a deficient number, since it is larger than the sum of its proper divisors (6406473051).

12697455429 is an equidigital number, since it uses as much as digits as its factorization.

12697455429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230431 (or 230419 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 12697455429 in words is "twelve billion, six hundred ninety-seven million, four hundred fifty-five thousand, four hundred twenty-nine".