11211490 has 16 divisors (see below), whose sum is σ = 20269440. Its totient is φ = 4464880.

The previous prime is 11211479. The next prime is 11211493. The reversal of 11211490 is 9411211.

It is not an unprimeable number, because it can be changed into a prime (11211493) 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, 45 + ... + 4735.

It is an arithmetic number, because the mean of its divisors is an integer number (1266840).

Almost surely, 2^11211490 is an apocalyptic number.

11211490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211490 is a deficient number, since it is larger than the sum of its proper divisors (9057950).

11211490 is a wasteful number, since it uses less digits than its factorization.

11211490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4937.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 11211490 is about 3348.3563131782. The cubic root of 11211490 is about 223.8142726004.

The spelling of 11211490 in words is "eleven million, two hundred eleven thousand, four hundred ninety".