11345858 has 4 divisors (see below), whose sum is σ = 17018790. Its totient is φ = 5672928.

The previous prime is 11345857. The next prime is 11345881. The reversal of 11345858 is 85854311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85854311 = 103 ⋅833537.

It can be written as a sum of positive squares in only one way, i.e., 9815689 + 1530169 = 3133^2 + 1237^2 .

It is not an unprimeable number, because it can be changed into a prime (11345857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2836463 + ... + 2836466.

Almost surely, 2^11345858 is an apocalyptic number.

11345858 is a deficient number, since it is larger than the sum of its proper divisors (5672932).

11345858 is an equidigital number, since it uses as much as digits as its factorization.

11345858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672931.

The product of its digits is 19200, while the sum is 35.

The square root of 11345858 is about 3368.3613226612. The cubic root of 11345858 is about 224.7048508604.

The spelling of 11345858 in words is "eleven million, three hundred forty-five thousand, eight hundred fifty-eight".