11903480 has 32 divisors (see below), whose sum is σ = 26881200. Its totient is φ = 4743936.

The previous prime is 11903471. The next prime is 11903491. The reversal of 11903480 is 8430911.

It is a super-2 number, since 2×11903480² = 283385672220800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20636 + ... + 21204.

Almost surely, 2^11903480 is an apocalyptic number.

11903480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11903480 is an abundant number, since it is smaller than the sum of its proper divisors (14977720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11903480 is a wasteful number, since it uses less digits than its factorization.

11903480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 11903480 is about 3450.1420260621. The cubic root of 11903480 is about 228.3273741792.

The spelling of 11903480 in words is "eleven million, nine hundred three thousand, four hundred eighty".