10642247 has 16 divisors (see below), whose sum is σ = 13595904. Its totient is φ = 8088000.

The previous prime is 10642237. The next prime is 10642249. The reversal of 10642247 is 74224601.

It is a cyclic number.

It is not a de Polignac number, because 10642247 - 2⁴ = 10642231 is a prime.

It is a super-2 number, since 2×10642247² = 226514842418018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10642249) 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 15 ways as a sum of consecutive naturals, for example, 1472 + ... + 4842.

It is an arithmetic number, because the mean of its divisors is an integer number (849744).

Almost surely, 2^10642247 is an apocalyptic number.

10642247 is a deficient number, since it is larger than the sum of its proper divisors (2953657).

10642247 is a wasteful number, since it uses less digits than its factorization.

10642247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 10642247 is about 3262.2456989013. The cubic root of 10642247 is about 219.9603716501.

Adding to 10642247 its reverse (74224601), we get a palindrome (84866848).

The spelling of 10642247 in words is "ten million, six hundred forty-two thousand, two hundred forty-seven".