11881562 has 16 divisors (see below), whose sum is σ = 22220352. Its totient is φ = 4629120.

The previous prime is 11881531. The next prime is 11881567. The reversal of 11881562 is 26518811.

11881562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11881567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38423 + ... + 38730.

It is an arithmetic number, because the mean of its divisors is an integer number (1388772).

Almost surely, 2^11881562 is an apocalyptic number.

11881562 is a deficient number, since it is larger than the sum of its proper divisors (10338790).

11881562 is a wasteful number, since it uses less digits than its factorization.

11881562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77173.

The product of its digits is 3840, while the sum is 32.

The square root of 11881562 is about 3446.9641715573. The cubic root of 11881562 is about 228.1871475639.

The spelling of 11881562 in words is "eleven million, eight hundred eighty-one thousand, five hundred sixty-two".