11631642 has 16 divisors (see below), whose sum is σ = 25378272. Its totient is φ = 3524720.

The previous prime is 11631637. The next prime is 11631643. The reversal of 11631642 is 24613611.

11631642 is digitally balanced in base 2 and base 4, because in such bases 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 (11631643) 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, 88053 + ... + 88184.

It is an arithmetic number, because the mean of its divisors is an integer number (1586142).

Almost surely, 2^11631642 is an apocalyptic number.

11631642 is an abundant number, since it is smaller than the sum of its proper divisors (13746630).

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

11631642 is a wasteful number, since it uses less digits than its factorization.

11631642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176253.

The product of its digits is 864, while the sum is 24.

The square root of 11631642 is about 3410.5193152950. The cubic root of 11631642 is about 226.5758801167.

The spelling of 11631642 in words is "eleven million, six hundred thirty-one thousand, six hundred forty-two".