11631436 has 12 divisors (see below), whose sum is σ = 21057120. Its totient is φ = 5615120.

The previous prime is 11631427. The next prime is 11631443. The reversal of 11631436 is 63413611.

It is a happy number.

11631436 is a modest number, since divided by 31436 gives 116 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 11631436.

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 3 ways as a sum of consecutive naturals, for example, 50020 + ... + 50251.

It is an arithmetic number, because the mean of its divisors is an integer number (1754760).

Almost surely, 2^11631436 is an apocalyptic number.

It is an amenable number.

11631436 is a deficient number, since it is larger than the sum of its proper divisors (9425684).

11631436 is a wasteful number, since it uses less digits than its factorization.

11631436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100304 (or 100302 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 11631436 is about 3410.4891144820. The cubic root of 11631436 is about 226.5745425323.

The spelling of 11631436 in words is "eleven million, six hundred thirty-one thousand, four hundred thirty-six".