12870377 has 8 divisors (see below), whose sum is σ = 14675976. Its totient is φ = 11181312.

The previous prime is 12870371. The next prime is 12870401. The reversal of 12870377 is 77307821.

It can be written as a sum of positive squares in 4 ways, for example, as 2859481 + 10010896 = 1691^2 + 3164^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12870377 - 2⁶ = 12870313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12870371) 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 7 ways as a sum of consecutive naturals, for example, 28898 + ... + 29339.

It is an arithmetic number, because the mean of its divisors is an integer number (1834497).

Almost surely, 2^12870377 is an apocalyptic number.

12870377 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12870377 is a deficient number, since it is larger than the sum of its proper divisors (1805599).

12870377 is a wasteful number, since it uses less digits than its factorization.

12870377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58267.

The product of its (nonzero) digits is 16464, while the sum is 35.

The square root of 12870377 is about 3587.5307664186. The cubic root of 12870377 is about 234.3493515518.

The spelling of 12870377 in words is "twelve million, eight hundred seventy thousand, three hundred seventy-seven".