11620455 has 32 divisors (see below), whose sum is σ = 23182848. Its totient is φ = 4828800.

The previous prime is 11620447. The next prime is 11620459. The reversal of 11620455 is 55402611.

11620455 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11620455 - 2³ = 11620447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11620459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3876 + ... + 6185.

It is an arithmetic number, because the mean of its divisors is an integer number (724464).

Almost surely, 2^11620455 is an apocalyptic number.

11620455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11620455 is a deficient number, since it is larger than the sum of its proper divisors (11562393).

11620455 is a wasteful number, since it uses less digits than its factorization.

11620455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10087.

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

The square root of 11620455 is about 3408.8788479499. The cubic root of 11620455 is about 226.5032186240.

It can be divided in two parts, 1162045 and 5, that added together give a triangular number (1162050 = T₁₅₂₄).

The spelling of 11620455 in words is "eleven million, six hundred twenty thousand, four hundred fifty-five".