26231312 has 20 divisors (see below), whose sum is σ = 52576620. Its totient is φ = 12663168.

The previous prime is 26231299. The next prime is 26231327. The reversal of 26231312 is 21313262.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5837056 + 20394256 = 2416^2 + 4516^2 .

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, 27803 + ... + 28730.

It is an arithmetic number, because the mean of its divisors is an integer number (2628831).

Almost surely, 2^26231312 is an apocalyptic number.

It is an amenable number.

26231312 is an abundant number, since it is smaller than the sum of its proper divisors (26345308).

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

26231312 is a wasteful number, since it uses less digits than its factorization.

26231312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56570 (or 56564 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 26231312 is about 5121.6512962130. The cubic root of 26231312 is about 297.1255539022.

Adding to 26231312 its reverse (21313262), we get a palindrome (47544574).

It can be divided in two parts, 2623 and 1312, that multiplied together give a triangular number (3441376 = T₂₆₂₃).

The spelling of 26231312 in words is "twenty-six million, two hundred thirty-one thousand, three hundred twelve".