11481642 has 32 divisors (see below), whose sum is σ = 25704000. Its totient is φ = 3798864.

The previous prime is 11481641. The next prime is 11481661. The reversal of 11481642 is 24618411.

It is a happy number.

11481642 is a `hidden beast` number, since 1 + 14 + 8 + 1 + 642 = 666.

11481642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11481641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7333 + ... + 8759.

It is an arithmetic number, because the mean of its divisors is an integer number (803250).

Almost surely, 2^11481642 is an apocalyptic number.

11481642 is an abundant number, since it is smaller than the sum of its proper divisors (14222358).

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

11481642 is a wasteful number, since it uses less digits than its factorization.

11481642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587 (or 1581 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 11481642 is about 3388.4571710441. The cubic root of 11481642 is about 225.5976997276.

The spelling of 11481642 in words is "eleven million, four hundred eighty-one thousand, six hundred forty-two".