26813000 has 32 divisors (see below), whose sum is σ = 62744760. Its totient is φ = 10724800.

The previous prime is 26812991. The next prime is 26813021. The reversal of 26813000 is 31862.

It can be written as a sum of positive squares in 4 ways, for example, as 11115556 + 15697444 = 3334^2 + 3962^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12407 + ... + 14406.

Almost surely, 2^26813000 is an apocalyptic number.

26813000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26813000 is an abundant number, since it is smaller than the sum of its proper divisors (35931760).

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

26813000 is a wasteful number, since it uses less digits than its factorization.

26813000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26834 (or 26820 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 26813000 is about 5178.1270745319. The cubic root of 26813000 is about 299.3058022782.

Adding to 26813000 its reverse (31862), we get a palindrome (26844862).

The spelling of 26813000 in words is "twenty-six million, eight hundred thirteen thousand".