12757296 has 40 divisors (see below), whose sum is σ = 33504304. Its totient is φ = 4181760.

The previous prime is 12757291. The next prime is 12757301. The reversal of 12757296 is 69275721.

12757296 = T₆₁₆ + T₆₁₇ + ... + T₆₇₆.

It is an interprime number because it is at equal distance from previous prime (12757291) and next prime (12757301).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12757291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750 + ... + 5106.

Almost surely, 2^12757296 is an apocalyptic number.

12757296 is a gapful number since it is divisible by the number (16) 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 12757296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16752152).

12757296 is an abundant number, since it is smaller than the sum of its proper divisors (20747008).

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

12757296 is a wasteful number, since it uses less digits than its factorization.

12757296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4429 (or 4423 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 12757296 is about 3571.7357125073. The cubic root of 12757296 is about 233.6609891107.

The spelling of 12757296 in words is "twelve million, seven hundred fifty-seven thousand, two hundred ninety-six".