12267740 has 24 divisors (see below), whose sum is σ = 26883360. Its totient is φ = 4693568.

The previous prime is 12267737. The next prime is 12267743. The reversal of 12267740 is 4776221.

It is an interprime number because it is at equal distance from previous prime (12267737) and next prime (12267743).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12267743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12875 + ... + 13794.

It is an arithmetic number, because the mean of its divisors is an integer number (1120140).

Almost surely, 2^12267740 is an apocalyptic number.

12267740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12267740 is an abundant number, since it is smaller than the sum of its proper divisors (14615620).

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

12267740 is a wasteful number, since it uses less digits than its factorization.

12267740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26701 (or 26699 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 12267740 is about 3502.5333688632. The cubic root of 12267740 is about 230.6330386712.

The spelling of 12267740 in words is "twelve million, two hundred sixty-seven thousand, seven hundred forty".