11903432 has 16 divisors (see below), whose sum is σ = 22838640. Its totient is φ = 5813136.

The previous prime is 11903431. The next prime is 11903447. The reversal of 11903432 is 23430911.

It is a junction number, because it is equal to n+sod(n) for n = 11903398 and 11903407.

It is not an unprimeable number, because it can be changed into a prime (11903431) 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 3 ways as a sum of consecutive naturals, for example, 16958 + ... + 17645.

It is an arithmetic number, because the mean of its divisors is an integer number (1427415).

Almost surely, 2^11903432 is an apocalyptic number.

It is an amenable number.

11903432 is a deficient number, since it is larger than the sum of its proper divisors (10935208).

11903432 is a wasteful number, since it uses less digits than its factorization.

11903432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34652 (or 34648 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 11903432 is about 3450.1350698197. The cubic root of 11903432 is about 228.3270672738.

The spelling of 11903432 in words is "eleven million, nine hundred three thousand, four hundred thirty-two".