11567420 has 12 divisors (see below), whose sum is σ = 24291624. Its totient is φ = 4626960.

The previous prime is 11567411. The next prime is 11567443. The reversal of 11567420 is 2476511.

It is a self number, because there is not a number n which added to its sum of digits gives 11567420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289166 + ... + 289205.

It is an arithmetic number, because the mean of its divisors is an integer number (2024302).

Almost surely, 2^11567420 is an apocalyptic number.

11567420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11567420 is an abundant number, since it is smaller than the sum of its proper divisors (12724204).

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

11567420 is a wasteful number, since it uses less digits than its factorization.

11567420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578380 (or 578378 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 11567420 is about 3401.0910014288. The cubic root of 11567420 is about 226.1581110936.

Subtracting from 11567420 its reverse (2476511), we obtain a palindrome (9090909).

The spelling of 11567420 in words is "eleven million, five hundred sixty-seven thousand, four hundred twenty".