113401216 has 16 divisors (see below), whose sum is σ = 225916740. Its totient is φ = 56700544.

The previous prime is 113401199. The next prime is 113401217. The reversal of 113401216 is 612104311.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 113401193 and 113401202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113401217) 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 as a sum of consecutive naturals, namely, 442846 + ... + 443101.

Almost surely, 2^113401216 is an apocalyptic number.

113401216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

113401216 is a deficient number, since it is larger than the sum of its proper divisors (112515524).

113401216 is an frugal number, since it uses more digits than its factorization.

113401216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885961 (or 885949 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 113401216 is about 10649.0007042915. Note that the first 3 decimals coincide. The cubic root of 113401216 is about 484.0303238975.

Adding to 113401216 its reverse (612104311), we get a palindrome (725505527).

The spelling of 113401216 in words is "one hundred thirteen million, four hundred one thousand, two hundred sixteen".