11987962 has 16 divisors (see below), whose sum is σ = 21260160. Its totient is φ = 4960368.

The previous prime is 11987957. The next prime is 11987971. The reversal of 11987962 is 26978911.

It is a super-2 number, since 2×11987962² = 287422465826888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14358 + ... + 15169.

It is an arithmetic number, because the mean of its divisors is an integer number (1328760).

Almost surely, 2^11987962 is an apocalyptic number.

11987962 is a deficient number, since it is larger than the sum of its proper divisors (9272198).

11987962 is a wasteful number, since it uses less digits than its factorization.

11987962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29565.

The product of its digits is 54432, while the sum is 43.

The square root of 11987962 is about 3462.3636435245. The cubic root of 11987962 is about 228.8662669522.

The spelling of 11987962 in words is "eleven million, nine hundred eighty-seven thousand, nine hundred sixty-two".