26231812 has 12 divisors (see below), whose sum is σ = 46040400. Its totient is φ = 13077416.

The previous prime is 26231789. The next prime is 26231819. The reversal of 26231812 is 21813262.

It is not an unprimeable number, because it can be changed into a prime (26231819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8062 + ... + 10837.

It is an arithmetic number, because the mean of its divisors is an integer number (3836700).

Almost surely, 2^26231812 is an apocalyptic number.

It is an amenable number.

26231812 is a deficient number, since it is larger than the sum of its proper divisors (19808588).

26231812 is a wasteful number, since it uses less digits than its factorization.

26231812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19250 (or 19248 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 26231812 is about 5121.7001083625. The cubic root of 26231812 is about 297.1274417457.

The spelling of 26231812 in words is "twenty-six million, two hundred thirty-one thousand, eight hundred twelve".