10012840 has 32 divisors (see below), whose sum is σ = 22663080. Its totient is φ = 3981312.

The previous prime is 10012811. The next prime is 10012841. The reversal of 10012840 is 4821001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9474084 + 538756 = 3078^2 + 734^2 .

It is not an unprimeable number, because it can be changed into a prime (10012841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7072 + ... + 8368.

Almost surely, 2^10012840 is an apocalyptic number.

10012840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012840 is an abundant number, since it is smaller than the sum of its proper divisors (12650240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10012840 is a wasteful number, since it uses less digits than its factorization.

10012840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501 (or 1497 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 10012840 is about 3164.3071911558. The cubic root of 10012840 is about 215.5356393703.

Adding to 10012840 its reverse (4821001), we get a palindrome (14833841).

The spelling of 10012840 in words is "ten million, twelve thousand, eight hundred forty".