12696965435 has 32 divisors (see below), whose sum is σ = 19066752000. Its totient is φ = 7885503360.

The previous prime is 12696965431. The next prime is 12696965453. The reversal of 12696965435 is 53456969621.

It is not a de Polignac number, because 12696965435 - 2² = 12696965431 is a prime.

It is a super-2 number, since 2×12696965435² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12696965431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42266 + ... + 164864.

It is an arithmetic number, because the mean of its divisors is an integer number (595836000).

Almost surely, 2^12696965435 is an apocalyptic number.

12696965435 is a deficient number, since it is larger than the sum of its proper divisors (6369786565).

12696965435 is a wasteful number, since it uses less digits than its factorization.

12696965435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122891.

The product of its digits is 10497600, while the sum is 56.

The spelling of 12696965435 in words is "twelve billion, six hundred ninety-six million, nine hundred sixty-five thousand, four hundred thirty-five".