12696747 has 16 divisors (see below), whose sum is σ = 19475712. Its totient is φ = 7207200.

The previous prime is 12696709. The next prime is 12696781. The reversal of 12696747 is 74769621.

It is not a de Polignac number, because 12696747 - 2⁶ = 12696683 is a prime.

It is a super-2 number, since 2×12696747² = 322414768764018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12696699 and 12696708.

It is not an unprimeable number, because it can be changed into a prime (12696947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1372 + ... + 5222.

It is an arithmetic number, because the mean of its divisors is an integer number (1217232).

Almost surely, 2^12696747 is an apocalyptic number.

12696747 is a deficient number, since it is larger than the sum of its proper divisors (6778965).

12696747 is a wasteful number, since it uses less digits than its factorization.

12696747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4018.

The product of its digits is 127008, while the sum is 42.

The square root of 12696747 is about 3563.2495001052. The cubic root of 12696747 is about 233.2907334928.

The spelling of 12696747 in words is "twelve million, six hundred ninety-six thousand, seven hundred forty-seven".