10305612 has 36 divisors (see below), whose sum is σ = 26371800. Its totient is φ = 3392832.

The previous prime is 10305601. The next prime is 10305653. The reversal of 10305612 is 21650301.

10305612 is a `hidden beast` number, since 103 + 0 + 561 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1264 + ... + 4712.

It is an arithmetic number, because the mean of its divisors is an integer number (732550).

Almost surely, 2^10305612 is an apocalyptic number.

10305612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10305612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13185900).

10305612 is an abundant number, since it is smaller than the sum of its proper divisors (16066188).

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

10305612 is a wasteful number, since it uses less digits than its factorization.

10305612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542 (or 3537 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 10305612 is about 3210.2355053796. The cubic root of 10305612 is about 217.6162200910.

Adding to 10305612 its reverse (21650301), we get a palindrome (31955913).

The spelling of 10305612 in words is "ten million, three hundred five thousand, six hundred twelve".