26612413 has 4 divisors (see below), whose sum is σ = 27114588. Its totient is φ = 26110240.

The previous prime is 26612381. The next prime is 26612423. The reversal of 26612413 is 31421662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8139609 + 18472804 = 2853^2 + 4298^2 .

It is a cyclic number.

It is not a de Polignac number, because 26612413 - 2⁵ = 26612381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26612423) 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 3 ways as a sum of consecutive naturals, for example, 251008 + ... + 251113.

It is an arithmetic number, because the mean of its divisors is an integer number (6778647).

Almost surely, 2^26612413 is an apocalyptic number.

It is an amenable number.

26612413 is a deficient number, since it is larger than the sum of its proper divisors (502175).

26612413 is an equidigital number, since it uses as much as digits as its factorization.

26612413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502174.

The product of its digits is 1728, while the sum is 25.

The square root of 26612413 is about 5158.7220316664. The cubic root of 26612413 is about 298.5575683443.

Subtracting 26612413 from its reverse (31421662), we obtain a square (4809249 = 2193²).

The spelling of 26612413 in words is "twenty-six million, six hundred twelve thousand, four hundred thirteen".