10686401 has 4 divisors (see below), whose sum is σ = 11657904. Its totient is φ = 9714900.

The previous prime is 10686391. The next prime is 10686419. The reversal of 10686401 is 10468601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10686401 - 2¹⁰ = 10685377 is a prime.

It is a super-2 number, since 2×10686401² = 228398332665602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10686461) 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, 485735 + ... + 485756.

It is an arithmetic number, because the mean of its divisors is an integer number (2914476).

Almost surely, 2^10686401 is an apocalyptic number.

10686401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10686401 is a deficient number, since it is larger than the sum of its proper divisors (971503).

10686401 is an equidigital number, since it uses as much as digits as its factorization.

10686401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971502.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 10686401 is about 3269.0061180732. The cubic root of 10686401 is about 220.2641524042.

The spelling of 10686401 in words is "ten million, six hundred eighty-six thousand, four hundred one".