10997810 has 16 divisors (see below), whose sum is σ = 20960856. Its totient is φ = 4140288.

The previous prime is 10997807. The next prime is 10997813. The reversal of 10997810 is 1879901.

It is an interprime number because it is at equal distance from previous prime (10997807) and next prime (10997813).

It can be written as a sum of positive squares in 4 ways, for example, as 9803161 + 1194649 = 3131^2 + 1093^2 .

It is a super-2 number, since 2×10997810² = 241903649592200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10997813) 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 7 ways as a sum of consecutive naturals, for example, 32177 + ... + 32516.

Almost surely, 2^10997810 is an apocalyptic number.

10997810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10997810 is a deficient number, since it is larger than the sum of its proper divisors (9963046).

10997810 is a wasteful number, since it uses less digits than its factorization.

10997810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64717.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 10997810 is about 3316.2946189987. The cubic root of 10997810 is about 222.3832489368.

The spelling of 10997810 in words is "ten million, nine hundred ninety-seven thousand, eight hundred ten".