11873505 has 16 divisors (see below), whose sum is σ = 21711744. Its totient is φ = 5427840.

The previous prime is 11873503. The next prime is 11873507. The reversal of 11873505 is 50537811.

11873505 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11873503) and next prime (11873507).

It is not a de Polignac number, because 11873505 - 2¹ = 11873503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11873501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56436 + ... + 56645.

It is an arithmetic number, because the mean of its divisors is an integer number (1356984).

Almost surely, 2^11873505 is an apocalyptic number.

11873505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11873505 is a deficient number, since it is larger than the sum of its proper divisors (9838239).

11873505 is a wasteful number, since it uses less digits than its factorization.

11873505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113096.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 11873505 is about 3445.7952637962. The cubic root of 11873505 is about 228.1355572771.

The spelling of 11873505 in words is "eleven million, eight hundred seventy-three thousand, five hundred five".