12740954 has 4 divisors (see below), whose sum is σ = 19111434. Its totient is φ = 6370476.

The previous prime is 12740953. The next prime is 12740957. The reversal of 12740954 is 45904721.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45904721 = 1297 ⋅35393.

It can be written as a sum of positive squares in only one way, i.e., 10738729 + 2002225 = 3277^2 + 1415^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12740954.

It is not an unprimeable number, because it can be changed into a prime (12740953) 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 as a sum of consecutive naturals, namely, 3185237 + ... + 3185240.

Almost surely, 2^12740954 is an apocalyptic number.

12740954 is a deficient number, since it is larger than the sum of its proper divisors (6370480).

12740954 is an equidigital number, since it uses as much as digits as its factorization.

12740954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370479.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 12740954 is about 3569.4472961510. The cubic root of 12740954 is about 233.5611738225.

The spelling of 12740954 in words is "twelve million, seven hundred forty thousand, nine hundred fifty-four".