11651946 has 16 divisors (see below), whose sum is σ = 23390208. Its totient is φ = 3869600.

The previous prime is 11651923. The next prime is 11651951. The reversal of 11651946 is 64915611.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770 + ... + 5141.

It is an arithmetic number, because the mean of its divisors is an integer number (1461888).

Almost surely, 2^11651946 is an apocalyptic number.

11651946 is an abundant number, since it is smaller than the sum of its proper divisors (11738262).

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

11651946 is a wasteful number, since it uses less digits than its factorization.

11651946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7197.

The product of its digits is 6480, while the sum is 33.

The square root of 11651946 is about 3413.4946901965. The cubic root of 11651946 is about 226.7076391716.

The spelling of 11651946 in words is "eleven million, six hundred fifty-one thousand, nine hundred forty-six".