11213659 has 8 divisors (see below), whose sum is σ = 11908080. Its totient is φ = 10523136.

The previous prime is 11213647. The next prime is 11213663. The reversal of 11213659 is 95631211.

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

It is not a de Polignac number, because 11213659 - 2²³ = 2825051 is a prime.

It is a super-2 number, since 2×11213659² = 251492296336562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6787 + ... + 8275.

It is an arithmetic number, because the mean of its divisors is an integer number (1488510).

Almost surely, 2^11213659 is an apocalyptic number.

11213659 is a deficient number, since it is larger than the sum of its proper divisors (694421).

11213659 is a wasteful number, since it uses less digits than its factorization.

11213659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949.

The product of its digits is 1620, while the sum is 28.

The square root of 11213659 is about 3348.6801877755. The cubic root of 11213659 is about 223.8287048734.

The spelling of 11213659 in words is "eleven million, two hundred thirteen thousand, six hundred fifty-nine".