12724697077 has 8 divisors (see below), whose sum is σ = 13302501120. Its totient is φ = 12148939440.

The previous prime is 12724697071. The next prime is 12724697099. The reversal of 12724697077 is 77079642721.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12724697077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12724697071) 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, 498877 + ... + 523762.

It is an arithmetic number, because the mean of its divisors is an integer number (1662812640).

Almost surely, 2^12724697077 is an apocalyptic number.

It is an amenable number.

12724697077 is a deficient number, since it is larger than the sum of its proper divisors (577804043).

12724697077 is a wasteful number, since it uses less digits than its factorization.

12724697077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023203.

The product of its (nonzero) digits is 2074464, while the sum is 52.

The spelling of 12724697077 in words is "twelve billion, seven hundred twenty-four million, six hundred ninety-seven thousand, seventy-seven".