10540691 has 4 divisors (see below), whose sum is σ = 12046512. Its totient is φ = 9034872.

The previous prime is 10540669. The next prime is 10540741. The reversal of 10540691 is 19604501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19604501 = 7 ⋅2800643.

It is not a de Polignac number, because 10540691 - 2¹⁴ = 10524307 is a prime.

It is a super-2 number, since 2×10540691² = 222212333514962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10540691.

It is not an unprimeable number, because it can be changed into a prime (10540661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752900 + ... + 752913.

It is an arithmetic number, because the mean of its divisors is an integer number (3011628).

Almost surely, 2^10540691 is an apocalyptic number.

10540691 is a deficient number, since it is larger than the sum of its proper divisors (1505821).

10540691 is an equidigital number, since it uses as much as digits as its factorization.

10540691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505820.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 10540691 is about 3246.6430355061. The cubic root of 10540691 is about 219.2584606512.

The spelling of 10540691 in words is "ten million, five hundred forty thousand, six hundred ninety-one".