11288770 has 16 divisors (see below), whose sum is σ = 20522808. Its totient is φ = 4470400.

The previous prime is 11288741. The next prime is 11288773. The reversal of 11288770 is 7788211.

It can be written as a sum of positive squares in 4 ways, for example, as 11269449 + 19321 = 3357^2 + 139^2 .

It is a super-2 number, since 2×11288770² = 254872656225800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11288773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4579 + ... + 6598.

Almost surely, 2^11288770 is an apocalyptic number.

11288770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11288770 is a deficient number, since it is larger than the sum of its proper divisors (9234038).

11288770 is a wasteful number, since it uses less digits than its factorization.

11288770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11285.

The product of its (nonzero) digits is 6272, while the sum is 34.

The square root of 11288770 is about 3359.8764858250. The cubic root of 11288770 is about 224.3273408188.

The spelling of 11288770 in words is "eleven million, two hundred eighty-eight thousand, seven hundred seventy".