12770427 has 8 divisors (see below), whose sum is σ = 17113600. Its totient is φ = 8470440.

The previous prime is 12770423. The next prime is 12770431. The reversal of 12770427 is 72407721.

It is an interprime number because it is at equal distance from previous prime (12770423) and next prime (12770431).

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

It is not a de Polignac number, because 12770427 - 2² = 12770423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12770394 and 12770403.

It is not an unprimeable number, because it can be changed into a prime (12770423) 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, 10099 + ... + 11292.

It is an arithmetic number, because the mean of its divisors is an integer number (2139200).

Almost surely, 2^12770427 is an apocalyptic number.

12770427 is a deficient number, since it is larger than the sum of its proper divisors (4343173).

12770427 is a wasteful number, since it uses less digits than its factorization.

12770427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21593.

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 12770427 is about 3573.5734216607. The cubic root of 12770427 is about 233.7411301886.

The spelling of 12770427 in words is "twelve million, seven hundred seventy thousand, four hundred twenty-seven".