11965480 has 16 divisors (see below), whose sum is σ = 26922420. Its totient is φ = 4786176.

The previous prime is 11965469. The next prime is 11965493. The reversal of 11965480 is 8456911.

It can be written as a sum of positive squares in 2 ways, for example, as 11573604 + 391876 = 3402^2 + 626^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149529 + ... + 149608.

Almost surely, 2^11965480 is an apocalyptic number.

11965480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11965480 is an abundant number, since it is smaller than the sum of its proper divisors (14956940).

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

11965480 is a wasteful number, since it uses less digits than its factorization.

11965480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299148 (or 299144 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 11965480 is about 3459.1154938799. The cubic root of 11965480 is about 228.7231069144.

The spelling of 11965480 in words is "eleven million, nine hundred sixty-five thousand, four hundred eighty".