11670280 has 32 divisors (see below), whose sum is σ = 26409240. Its totient is φ = 4641280.

The previous prime is 11670277. The next prime is 11670283. The reversal of 11670280 is 8207611.

It is an interprime number because it is at equal distance from previous prime (11670277) and next prime (11670283).

It can be written as a sum of positive squares in 4 ways, for example, as 11303044 + 367236 = 3362^2 + 606^2 .

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (11670283) 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, 7140 + ... + 8620.

Almost surely, 2^11670280 is an apocalyptic number.

11670280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11670280 is an abundant number, since it is smaller than the sum of its proper divisors (14738960).

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

11670280 is a wasteful number, since it uses less digits than its factorization.

11670280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689 (or 1685 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 11670280 is about 3416.1791522108. The cubic root of 11670280 is about 226.8264828319.

Adding to 11670280 its reverse (8207611), we get a palindrome (19877891).

The spelling of 11670280 in words is "eleven million, six hundred seventy thousand, two hundred eighty".