26431012 has 12 divisors (see below), whose sum is σ = 46396336. Its totient is φ = 13174920.

The previous prime is 26431001. The next prime is 26431049. The reversal of 26431012 is 21013462.

It is an unprimeable number.

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, 8658 + ... + 11305.

Almost surely, 2^26431012 is an apocalyptic number.

It is an amenable number.

26431012 is a deficient number, since it is larger than the sum of its proper divisors (19965324).

26431012 is a wasteful number, since it uses less digits than its factorization.

26431012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20298 (or 20296 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 26431012 is about 5141.1099968781. The cubic root of 26431012 is about 297.8776579915.

Adding to 26431012 its reverse (21013462), we get a palindrome (47444474).

It can be divided in two parts, 2643 and 1012, that added together give a triangular number (3655 = T₈₅).

The spelling of 26431012 in words is "twenty-six million, four hundred thirty-one thousand, twelve".