11962640 has 20 divisors (see below), whose sum is σ = 27813324. Its totient is φ = 4785024.

The previous prime is 11962637. The next prime is 11962651. The reversal of 11962640 is 4626911.

It can be written as a sum of positive squares in 2 ways, for example, as 6635776 + 5326864 = 2576^2 + 2308^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 74687 + ... + 74846.

Almost surely, 2^11962640 is an apocalyptic number.

11962640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11962640 is an abundant number, since it is smaller than the sum of its proper divisors (15850684).

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

11962640 is a wasteful number, since it uses less digits than its factorization.

11962640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149546 (or 149540 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 11962640 is about 3458.7049599525. The cubic root of 11962640 is about 228.7050097153.

The spelling of 11962640 in words is "eleven million, nine hundred sixty-two thousand, six hundred forty".