10646427 has 24 divisors (see below), whose sum is σ = 15789760. Its totient is φ = 6375600.

The previous prime is 10646387. The next prime is 10646431. The reversal of 10646427 is 72464601.

It is not a de Polignac number, because 10646427 - 2¹⁰ = 10645403 is a prime.

It is a super-2 number, since 2×10646427² = 226692815732658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10646394 and 10646403.

It is not an unprimeable number, because it can be changed into a prime (10646477) 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 23 ways as a sum of consecutive naturals, for example, 50352 + ... + 50562.

Almost surely, 2^10646427 is an apocalyptic number.

10646427 is a deficient number, since it is larger than the sum of its proper divisors (5143333).

10646427 is a wasteful number, since it uses less digits than its factorization.

10646427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 10646427 is about 3262.8862989691. The cubic root of 10646427 is about 219.9891661332.

It can be divided in two parts, 106464 and 27, that added together give a triangular number (106491 = T₄₆₁).

The spelling of 10646427 in words is "ten million, six hundred forty-six thousand, four hundred twenty-seven".