13126229297 has 4 divisors (see below), whose sum is σ = 13137918960. Its totient is φ = 13114539636.

The previous prime is 13126229293. The next prime is 13126229327. The reversal of 13126229297 is 79292262131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13126229297 - 2² = 13126229293 is a prime.

It is a super-2 number, since 2×13126229297² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13126229293) 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, 5843147 + ... + 5845392.

It is an arithmetic number, because the mean of its divisors is an integer number (3284479740).

Almost surely, 2^13126229297 is an apocalyptic number.

It is an amenable number.

13126229297 is a deficient number, since it is larger than the sum of its proper divisors (11689663).

13126229297 is a wasteful number, since it uses less digits than its factorization.

13126229297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11689662.

The product of its digits is 163296, while the sum is 44.

The spelling of 13126229297 in words is "thirteen billion, one hundred twenty-six million, two hundred twenty-nine thousand, two hundred ninety-seven".