11620087 has 4 divisors (see below), whose sum is σ = 11660040. Its totient is φ = 11580136.

The previous prime is 11620079. The next prime is 11620111. The reversal of 11620087 is 78002611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11620087 - 2³ = 11620079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11620057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19537 + ... + 20122.

It is an arithmetic number, because the mean of its divisors is an integer number (2915010).

Almost surely, 2^11620087 is an apocalyptic number.

11620087 is a deficient number, since it is larger than the sum of its proper divisors (39953).

11620087 is an equidigital number, since it uses as much as digits as its factorization.

11620087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39952.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 11620087 is about 3408.8248708316. The cubic root of 11620087 is about 226.5008276085.

Adding to 11620087 its reverse (78002611), we get a palindrome (89622698).

The spelling of 11620087 in words is "eleven million, six hundred twenty thousand, eighty-seven".