11613903 has 8 divisors (see below), whose sum is σ = 17697408. Its totient is φ = 6636504.

The previous prime is 11613803. The next prime is 11613911. The reversal of 11613903 is 30931611.

11613903 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11613903 - 2¹⁶ = 11548367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11613923) 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, 276501 + ... + 276542.

It is an arithmetic number, because the mean of its divisors is an integer number (2212176).

Almost surely, 2^11613903 is an apocalyptic number.

11613903 is a deficient number, since it is larger than the sum of its proper divisors (6083505).

11613903 is an equidigital number, since it uses as much as digits as its factorization.

11613903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553053.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 11613903 is about 3407.9176926681. The cubic root of 11613903 is about 226.4606405983.

The spelling of 11613903 in words is "eleven million, six hundred thirteen thousand, nine hundred three".