26713493 has 4 divisors (see below), whose sum is σ = 26908620. Its totient is φ = 26518368.

The previous prime is 26713483. The next prime is 26713499. The reversal of 26713493 is 39431762.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39431762 = 2 ⋅19715881.

It can be written as a sum of positive squares in 2 ways, for example, as 6265009 + 20448484 = 2503^2 + 4522^2 .

It is a cyclic number.

It is not a de Polignac number, because 26713493 - 2⁶ = 26713429 is a prime.

It is a super-2 number, since 2×26713493² = 1427221416522098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26713499) 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, 97358 + ... + 97631.

It is an arithmetic number, because the mean of its divisors is an integer number (6727155).

Almost surely, 2^26713493 is an apocalyptic number.

It is an amenable number.

26713493 is a deficient number, since it is larger than the sum of its proper divisors (195127).

26713493 is a wasteful number, since it uses less digits than its factorization.

26713493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195126.

The product of its digits is 27216, while the sum is 35.

The square root of 26713493 is about 5168.5097465324. The cubic root of 26713493 is about 298.9350873056.

The spelling of 26713493 in words is "twenty-six million, seven hundred thirteen thousand, four hundred ninety-three".