12674740 has 72 divisors (see below), whose sum is σ = 30393720. Its totient is φ = 4408320.

The previous prime is 12674731. The next prime is 12674749. The reversal of 12674740 is 4747621.

It is an interprime number because it is at equal distance from previous prime (12674731) and next prime (12674749).

It can be written as a sum of positive squares in 12 ways, for example, as 11102224 + 1572516 = 3332^2 + 1254^2 .

It is a super-5 number, since 5×12674740⁵ (a number of 37 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12674749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309120 + ... + 309160.

It is an arithmetic number, because the mean of its divisors is an integer number (422135).

Almost surely, 2^12674740 is an apocalyptic number.

12674740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12674740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15196860).

12674740 is an abundant number, since it is smaller than the sum of its proper divisors (17718980).

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

12674740 is a wasteful number, since it uses less digits than its factorization.

12674740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 12674740 is about 3560.1601087592. The cubic root of 12674740 is about 233.1558695977.

The spelling of 12674740 in words is "twelve million, six hundred seventy-four thousand, seven hundred forty".