11420680 has 16 divisors (see below), whose sum is σ = 25696620. Its totient is φ = 4568256.

The previous prime is 11420663. The next prime is 11420687. The reversal of 11420680 is 8602411.

It can be written as a sum of positive squares in 2 ways, for example, as 10510564 + 910116 = 3242^2 + 954^2 .

It is not an unprimeable number, because it can be changed into a prime (11420687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142719 + ... + 142798.

Almost surely, 2^11420680 is an apocalyptic number.

11420680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11420680 is an abundant number, since it is smaller than the sum of its proper divisors (14275940).

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

11420680 is a wasteful number, since it uses less digits than its factorization.

11420680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285528 (or 285524 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 11420680 is about 3379.4496593380. The cubic root of 11420680 is about 225.1977192071.

It can be divided in two parts, 11420 and 680, that added together give a square (12100 = 110²).

The spelling of 11420680 in words is "eleven million, four hundred twenty thousand, six hundred eighty".