11620545 has 8 divisors (see below), whose sum is σ = 18592896. Its totient is φ = 6197616.

The previous prime is 11620529. The next prime is 11620549. The reversal of 11620545 is 54502611.

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

It is not a de Polignac number, because 11620545 - 2⁴ = 11620529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11620549) 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, 387337 + ... + 387366.

It is an arithmetic number, because the mean of its divisors is an integer number (2324112).

Almost surely, 2^11620545 is an apocalyptic number.

11620545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11620545 is a deficient number, since it is larger than the sum of its proper divisors (6972351).

11620545 is an equidigital number, since it uses as much as digits as its factorization.

11620545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774711.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 11620545 is about 3408.8920487455. The cubic root of 11620545 is about 226.5038033756.

It can be divided in two parts, 116205 and 45, that multiplied together give a palindrome (5229225).

The spelling of 11620545 in words is "eleven million, six hundred twenty thousand, five hundred forty-five".