26634012 has 24 divisors (see below), whose sum is σ = 62729856. Its totient is φ = 8794608.

The previous prime is 26634011. The next prime is 26634031. The reversal of 26634012 is 21043662.

It is a super-2 number, since 2×26634012² = 1418741190432288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26634011) 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 7 ways as a sum of consecutive naturals, for example, 9088 + ... + 11655.

It is an arithmetic number, because the mean of its divisors is an integer number (2613744).

Almost surely, 2^26634012 is an apocalyptic number.

It is an amenable number.

26634012 is an abundant number, since it is smaller than the sum of its proper divisors (36095844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26634012 is a wasteful number, since it uses less digits than its factorization.

26634012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20857 (or 20855 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 26634012 is about 5160.8150519080. The cubic root of 26634012 is about 298.6383176439.

Adding to 26634012 its reverse (21043662), we get a palindrome (47677674).

The spelling of 26634012 in words is "twenty-six million, six hundred thirty-four thousand, twelve".