26087313 has 16 divisors (see below), whose sum is σ = 41481216. Its totient is φ = 14258640.

The previous prime is 26087309. The next prime is 26087339. The reversal of 26087313 is 31378062.

It is not a de Polignac number, because 26087313 - 2² = 26087309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26082313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26523 + ... + 27488.

It is an arithmetic number, because the mean of its divisors is an integer number (2592576).

Almost surely, 2^26087313 is an apocalyptic number.

26087313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

26087313 is a deficient number, since it is larger than the sum of its proper divisors (15393903).

26087313 is a wasteful number, since it uses less digits than its factorization.

26087313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54044.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 26087313 is about 5107.5740816948. The cubic root of 26087313 is about 296.5808573663.

The spelling of 26087313 in words is "twenty-six million, eighty-seven thousand, three hundred thirteen".