11941903 has 4 divisors (see below), whose sum is σ = 12022200. Its totient is φ = 11861608.

The previous prime is 11941883. The next prime is 11941921. The reversal of 11941903 is 30914911.

It is a happy number.

11941903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30914911 = 179 ⋅172709.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11941903 is a prime.

It is a super-2 number, since 2×11941903² = 285218094522818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11941933) 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, 39925 + ... + 40222.

It is an arithmetic number, because the mean of its divisors is an integer number (3005550).

Almost surely, 2^11941903 is an apocalyptic number.

11941903 is a deficient number, since it is larger than the sum of its proper divisors (80297).

11941903 is an equidigital number, since it uses as much as digits as its factorization.

11941903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80296.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 11941903 is about 3455.7058613256. The cubic root of 11941903 is about 228.5727814094.

The spelling of 11941903 in words is "eleven million, nine hundred forty-one thousand, nine hundred three".