2113306 has 8 divisors (see below), whose sum is σ = 3413844. Its totient is φ = 975360.

The previous prime is 2113291. The next prime is 2113333. The reversal of 2113306 is 6033112.

It can be written as a sum of positive squares in 2 ways, for example, as 2088025 + 25281 = 1445^2 + 159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2113306.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40615 + ... + 40666.

2^2113306 is an apocalyptic number.

2113306 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2113306 is a deficient number, since it is larger than the sum of its proper divisors (1300538).

2113306 is a wasteful number, since it uses less digits than its factorization.

2113306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81296.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2113306 is about 1453.7214313616. The cubic root of 2113306 is about 128.3278137091.

Adding to 2113306 its reverse (6033112), we get a palindrome (8146418).

The spelling of 2113306 in words is "two million, one hundred thirteen thousand, three hundred six".