103612 has 6 divisors (see below), whose sum is σ = 181328. Its totient is φ = 51804.

The previous prime is 103591. The next prime is 103613. The reversal of 103612 is 216301.

It is a super-3 number, since 3×103612³ = 3336963261950784, which contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 103592 and 103601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12948 + ... + 12955.

2¹⁰³⁶¹² is an apocalyptic number.

It is an amenable number.

103612 is a deficient number, since it is larger than the sum of its proper divisors (77716).

103612 is a wasteful number, since it uses less digits than its factorization.

103612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25907 (or 25905 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 103612 is about 321.8881793418. Note that the first 3 decimals coincide. The cubic root of 103612 is about 46.9681389618.

Adding to 103612 its reverse (216301), we get a palindrome (319913).

It can be divided in two parts, 103 and 612, that multiplied together give a palindrome (63036).

The spelling of 103612 in words is "one hundred three thousand, six hundred twelve".