11172030 has 16 divisors (see below), whose sum is σ = 26812944. Its totient is φ = 2979200.

The previous prime is 11172023. The next prime is 11172061. The reversal of 11172030 is 3027111.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186171 + ... + 186230.

It is an arithmetic number, because the mean of its divisors is an integer number (1675809).

Almost surely, 2^11172030 is an apocalyptic number.

11172030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11172030 is an abundant number, since it is smaller than the sum of its proper divisors (15640914).

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

11172030 is a wasteful number, since it uses less digits than its factorization.

11172030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372411.

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

The square root of 11172030 is about 3342.4586758852. The cubic root of 11172030 is about 223.5513847690.

Adding to 11172030 its reverse (3027111), we get a palindrome (14199141).

The spelling of 11172030 in words is "eleven million, one hundred seventy-two thousand, thirty".