26748513 has 24 divisors (see below), whose sum is σ = 42347136. Its totient is φ = 16135200.

The previous prime is 26748503. The next prime is 26748529. The reversal of 26748513 is 31584762.

It is not a de Polignac number, because 26748513 - 2¹⁶ = 26682977 is a prime.

It is a super-2 number, since 2×26748513² = 1430965895422338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26748503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26331 + ... + 27327.

It is an arithmetic number, because the mean of its divisors is an integer number (1764464).

Almost surely, 2^26748513 is an apocalyptic number.

It is an amenable number.

26748513 is a deficient number, since it is larger than the sum of its proper divisors (15598623).

26748513 is a wasteful number, since it uses less digits than its factorization.

26748513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285 (or 1282 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 26748513 is about 5171.8964606806. The cubic root of 26748513 is about 299.0656597151.

It can be divided in two parts, 26748 and 513, that added together give a triangular number (27261 = T₂₃₃).

The spelling of 26748513 in words is "twenty-six million, seven hundred forty-eight thousand, five hundred thirteen".