10774991 has 4 divisors (see below), whose sum is σ = 11408832. Its totient is φ = 10141152.

The previous prime is 10774987. The next prime is 10775003. The reversal of 10774991 is 19947701.

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

It is a cyclic number.

It is not a de Polignac number, because 10774991 - 2² = 10774987 is a prime.

It is a super-2 number, since 2×10774991² = 232200862100162, 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 (10771991) 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, 316895 + ... + 316928.

It is an arithmetic number, because the mean of its divisors is an integer number (2852208).

Almost surely, 2^10774991 is an apocalyptic number.

10774991 is a deficient number, since it is larger than the sum of its proper divisors (633841).

10774991 is an equidigital number, since it uses as much as digits as its factorization.

10774991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633840.

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 10774991 is about 3282.5281415397. The cubic root of 10774991 is about 220.8711396370.

The spelling of 10774991 in words is "ten million, seven hundred seventy-four thousand, nine hundred ninety-one".