11148690 has 32 divisors (see below), whose sum is σ = 30579840. Its totient is φ = 2548224.

The previous prime is 11148689. The next prime is 11148701. The reversal of 11148690 is 9684111.

It is a super-2 number, since 2×11148690² = 248586577432200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 26335 + ... + 26754.

It is an arithmetic number, because the mean of its divisors is an integer number (955620).

Almost surely, 2^11148690 is an apocalyptic number.

11148690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11148690 is an abundant number, since it is smaller than the sum of its proper divisors (19431150).

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

11148690 is a wasteful number, since it uses less digits than its factorization.

11148690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53106.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 11148690 is about 3338.9654086259. The cubic root of 11148690 is about 223.3955990837.

The spelling of 11148690 in words is "eleven million, one hundred forty-eight thousand, six hundred ninety".