12696506 has 8 divisors (see below), whose sum is σ = 19872864. Its totient is φ = 6072220.

The previous prime is 12696493. The next prime is 12696517. The reversal of 12696506 is 60569621.

It is a happy number.

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

It is a super-2 number, since 2×12696506² = 322402529216072, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137960 + ... + 138051.

It is an arithmetic number, because the mean of its divisors is an integer number (2484108).

Almost surely, 2^12696506 is an apocalyptic number.

12696506 is a deficient number, since it is larger than the sum of its proper divisors (7176358).

12696506 is a wasteful number, since it uses less digits than its factorization.

12696506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276036.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 12696506 is about 3563.2156824980. The cubic root of 12696506 is about 233.2892574344.

The spelling of 12696506 in words is "twelve million, six hundred ninety-six thousand, five hundred six".