11712030 has 32 divisors (see below), whose sum is σ = 30665088. Its totient is φ = 2839200.

The previous prime is 11712011. The next prime is 11712049. The reversal of 11712030 is 3021711.

It is an interprime number because it is at equal distance from previous prime (11712011) and next prime (11712049).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 17416 + ... + 18075.

It is an arithmetic number, because the mean of its divisors is an integer number (958284).

Almost surely, 2^11712030 is an apocalyptic number.

11712030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11712030 is an abundant number, since it is smaller than the sum of its proper divisors (18953058).

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

11712030 is a wasteful number, since it uses less digits than its factorization.

11712030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35512.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 11712030 is about 3422.2843248333. The cubic root of 11712030 is about 227.0966487343.

Adding to 11712030 its reverse (3021711), we get a palindrome (14733741).

The spelling of 11712030 in words is "eleven million, seven hundred twelve thousand, thirty".