12692026 has 8 divisors (see below), whose sum is σ = 19350324. Its totient is φ = 6241920.

The previous prime is 12691997. The next prime is 12692027. The reversal of 12692026 is 62029621.

It can be written as a sum of positive squares in 2 ways, for example, as 11215801 + 1476225 = 3349^2 + 1215^2 .

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

It is a super-2 number, since 2×12692026² = 322175047969352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12691985 and 12692003.

It is not an unprimeable number, because it can be changed into a prime (12692027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51895 + ... + 52138.

Almost surely, 2^12692026 is an apocalyptic number.

12692026 is a deficient number, since it is larger than the sum of its proper divisors (6658298).

12692026 is a wasteful number, since it uses less digits than its factorization.

12692026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104096.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 12692026 is about 3562.5869813943. The cubic root of 12692026 is about 233.2618152697.

The spelling of 12692026 in words is "twelve million, six hundred ninety-two thousand, twenty-six".