11213670 has 32 divisors (see below), whose sum is σ = 28984032. Its totient is φ = 2760192.

The previous prime is 11213663. The next prime is 11213677. The reversal of 11213670 is 7631211.

It is an interprime number because it is at equal distance from previous prime (11213663) and next prime (11213677).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213677) 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 in 15 ways as a sum of consecutive naturals, for example, 13987 + ... + 14766.

It is an arithmetic number, because the mean of its divisors is an integer number (905751).

Almost surely, 2^11213670 is an apocalyptic number.

11213670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11213670 is an abundant number, since it is smaller than the sum of its proper divisors (17770362).

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

11213670 is a wasteful number, since it uses less digits than its factorization.

11213670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28776.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 11213670 is about 3348.6818302132. The cubic root of 11213670 is about 223.8287780614.

Adding to 11213670 its reverse (7631211), we get a palindrome (18844881).

The spelling of 11213670 in words is "eleven million, two hundred thirteen thousand, six hundred seventy".