11071630 has 16 divisors (see below), whose sum is σ = 19985040. Its totient is φ = 4416192.

The previous prime is 11071609. The next prime is 11071631. The reversal of 11071630 is 3617011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11071598 and 11071607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11071631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2737 + ... + 5443.

It is an arithmetic number, because the mean of its divisors is an integer number (1249065).

Almost surely, 2^11071630 is an apocalyptic number.

11071630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11071630 is a deficient number, since it is larger than the sum of its proper divisors (8913410).

11071630 is a wasteful number, since it uses less digits than its factorization.

11071630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 11071630 is about 3327.4058964905. The cubic root of 11071630 is about 222.8797034626.

Adding to 11071630 its reverse (3617011), we get a palindrome (14688641).

The spelling of 11071630 in words is "eleven million, seventy-one thousand, six hundred thirty".